Home

NOTE - Marco

Contents

1. Designating a layout to be applied to a printed color map Designate a layout to be applied to a printed map from among View 1 View 2 and View 3 as instructed below A designation of multiple items of View is allowed Temporary designation Press gg in the Map Selection area of the Patient Selection screen to designate The designation will be cleared once you select another patient s data See IV p 3 12 Permanent designation Check _ Print Out on a desired View page of the Map View Settings screen to apply the View to a printed map See 5 2 1 1 Assigning an entered map set to View1 View or View3 4 43 Z AAO O GG OOGO 4 8 Saving Measured Data After the completion of the measurement in the ARK CT mode a measured result is saved in the database by pressing on the measurement screen simultaneously with a printout of the measured result See 4 7 Printing Only the latest data when is pressed is saved in the database When the patient has not been selected or the patient s data parameters was not entered before measurement the Select Patient dialog opens Select a patient or enter data of the patient See Step 4 on p 4 19 Likewise printing a color map after measurement pressing on the Map View screen saves the measured result in the database NOTE e Ifthe measured data of only one eye has been measured or
2. 14 Measure the model eye again and confirm that the difference between the obtained keratometry value and the marked value is 0 02 mm or less CAUTION e If the difference in AR measured data is 0 25D or larger contact NIDEK or your authorized distributor Only properly trained service persons at NIDEK are licensed to perform REF measurement calibration The REF measurement calibration needs special tools Careless touch of the calibration screen for the REF measurement may hinder proper measurement 7 6 Cleaning Exterior When the covers or panels get dirty wipe with a dry and soft cloth For stubborn dirt immerse the cloth in a neutral detergent wring well and wipe Lastly wipe with a dry and soft cloth NOTE e Never use organic solvents such as a thinner or detergents with abrasives to clean the covers touch screen panel and placido rings The covers or touch screen panel may be corroded or scratched Especially cleaning of placido rings with organic solvents or detergents with abrasives will disturb the concentric ring shapes which may adversely affect measurement accuracy e If the touch screen panel is getting dirty immerse a soft cloth or gauze in water wring it well and wipe the panel with it e Blow the dust off the placido rings with a blower Careless wiping may disturb the concentric ring shapes and may adversely affect measurement AACO G OGG AAOC T 8 7 7 Cleaning the Measurement Win
3. 2 Press v i Zernike Coefficient Graph Settings Graph Mode Zz Entered groups are listed rie oe v Sets Coefficient Graph 3 Press a group to be modified and select it The included aberration components into the selected group will be listed 4 Press rt The Zernike Coefficient Selection dialog is displayed Check only the aberration components to be displayed 5 Press only the aberration components to be displayed on the Coefficient graph gt Checks all the aberration component boxes Deselects all the aberration component boxes z Mw 19 amoo rr 0rD w l _ Ja 1 s v 2 mS E on 4 ho 0y bai pag 2 ea E en JE 4 os hm Ci p Q 4 te ian y ekr n The Zernike Coefficient Graph Settings dialog re opens A 2m E The screen returns to the Map View Settings screen 5 46 4 M MMM M q w 7q zZziHHHHTHHHH XWT q nq MMM MmwmMM m Mmm M Deleting an entered group set User entered group sets shown in black may be deleted whereas factory entered group sets shown in blue may not be deleted 1 Confirm that the RMS Graph radio button is selected in the Zernike Coefficient Graph Settings dialog 2 Press v Zernike Coefficient Graph Settings Graph Mode T Entered groups are listed ipa V Sets 3 Press a group to be deleted and select
4. lt AVE 43 25 gt ZC and ZA data VD 0 35 L 35 OPD Scan S LOO MMACMMMMMMM 7T 7 7qxZHHZHQ CZZMM M mMMMMM Mm nM MMMmMM MM r NOTE e It is possible to print out and transmit ZS ZC and ZA data only by way of the Map View screen It is also allowed to print the data again by way of the measurement screen just after printing the data by way of the Map View screen until the next measurement has begun e ZS ZC and ZA data that has already been saved into the database cannot be transmitted to the connected Auto Optometry System TROUBLESHOOTING GUIDE 6 MMMMMMMMMM M q 7 7 q7z7zZZHZ q gt gt gt 5 gt ZHH M M _ M MMmMMw In the event that the instrument is out of working order try to correct a problem according to the following table before asking for assistance Symptom Suggestion e The power cord may not be connected securely Reconnect it securely e The power switch may not have been turned ON Check the power switch Nothing appears on the touch screen panel e The fuses may be blown If so replace the fuses with new ones e Display settings may accidentally be changed because of malfunctioning of the built in computer board Contact NIDEK or your authorized distributor for details e The locking knob may be fixing the main body Loosen the locking knob which is beside the joystick The main body cannot be moved laterally e The locking knob may be impedin
5. Cross cursor Can be moved to a desired position Values at the cur sor position are shown in the lower right corner of this map Indicates values at the cursor position Corneal refractive power Distance from the center to the cross cursor Angle Amount of misalignment Distance between the corneal vertex during CT measurement and that dur ing REF measurement Angle See the footnote on p 5 3 Color of letters 0 lt Ant of misalignment lt 0 3 Green 0 3 lt Amt of misalignment lt 0 4 Yellow 0 4 lt Amt of misalignment Red Amount of misalignment The Target Refractive map color codes the distribution of corneal refractive powers of an eye corrected into emmetropia The higher refractive powers become the warmer the map colors become The lower refractive powers become the cooler the map colors become NOTE e If the map has areas with missing data interpolation or extrapolation is carried out within these areas to obtain expected data as much as possible in this way the map of 6 mm pupil is displayed Only the data within the pupil where rings have been traced is reliable Select the Pupil Contour and Rings overlay items to check the reliably measured area on the map 5 12 LMM M MMMMM qZTHwT wZwZZZHHHAMMMM MM M mq umMM e 5 1 8 Internal OPD map This map illustrates the distribution of internal astigmatism from the posterior surface of the cornea to the retina
6. Other box on the Other tab of the Map View Settings screen See 5 2 4 Other settings related to maps 7 ae eee es pams Background oOo o Zone 6 0 mm Ai 2 Be Text Radial Order e If the Show check box is checked the e Seo 4 C 15 0 File C BackBitmap Gradation1 BMP oy thumbnail of PSF reduced sample image is e eee displayed in the lower right of the wavefront HO Wavefront Total and Wavefront Group maps cia 2 Display the Wavefront HO Wavefront Total or Wavefront Group map and press the thumbnail in the lower right of the map gS 1 25 C 0 07 fA 30 VD 12 00 WF error 1 658 um fone 6 0 mm Order 6 S 10 Thumbnail The displayed map is switched to the PSF display To return to the original map display click the button in the lower right Strehl Ratio 0 002 WE error 1 658 um fone 6 0 mm Order 6 MMMMMMMW 07 7TTZTZTHZZ Z Xx X q q q q 0 7 W WMMm muMMqq__S 53 5 2 4 Other settings related to maps The specifications related to map calculation map display and printout are set 1 Open the Map View Settings screen Map View Settings View1 Press on the Patient Selection screen or on the Map View screen Others tab 2 Press the Others tab NEVIS SANA Other r Default Printer Cornea Index Driver hp deskjet 5550 series
7. Distance from the center to the cross cursor Angle Amount of misalignment Com Common fone 6 0 mim Order Dist 0 00 0 Distance between the measurement axis Comment and corneal vertex Angle See the footnote on p 5 3 Number Increment Comment Input on the Edit Exam Information screen RMS wavefront error excluding zeroth order values Amount of misalignment Zone Analysis zone Diameter mm y 0 Amt of misalignment lt 0 3 Order Highest analysis order of Zernike pyramid 0 3 Amt of misalianment lt 0 4 Color scale 0 4 Amt of misalignment Red As a wavefront of the eye is positioned forward away from reference wavefront in the case of a myopic eye the map colors become warmer As a wavefront of the eye 1s positioned backward away from a reference wavefront in the case of a hyperopic eye the map colors becomes cooler A Selecting a combination of aberration components group to be displayed on the map 1 Press a group name in the upper right corner of the map The Zernike Coefficient Selection dialog is displayed 2 Press v of the Coefficient Group Name field Zernike Coefficient Selection The entered groups combination of aberration components are listed 3 Press a desired group name to select Aberration components that are included in the selected group will be checked in the Zernike pyramid AaAmoas rr 0 gt I 4 Press to go back to the Map
8. The Select Color Scale dialog opens Mode Middle amp Step Normalize Middle h30 7 C Individual C Common D Step MinStep SSO al Adjustable e Common ie AutoStep Absolute Scale a OK Cancel 2 Change the color scale settings Lm _ cance Clicking an area displays the 33 Af Select Color Scale dialog aai SIM K s arog 4429 762 year 42 64 7 92 in 17 ik 1 68 0 50 q Comment 0 Smolek_Khyce 1 5D Absolute 26 150 25 C Smolek_Khyce C NIDEK 25 38 00 a Mode For setting the color scale type Two types of color scales are available Relative color scale and absolute color scale Relative color scale Normalize A histogram of a map is calculated and an appropriate increment Step and intermediate value Middle are automatically set for the best possible use of the color scale The set increment and intermediate value cannot be changed Select an unit of the scale D mm from the Scale area and number of color and color scheme from the Color area Individual gt For each individual map an increment and intermediate value are calculated Common gt from the maximum and minimum values of the map to make the best possible use of the color scale For each individual map type an increment and intermediate value are calculated from the maximum and minimum values However the color map Maps displayed based on the pairs shown in the right same color scale as
9. View 1 View 2 and View 3 ccccccccccccssessssesecccceeeaaeesseeeeeees 5 25 5 2 1 1 Assigning an entered map set to View1 View2 and View3 5 26 5 2 1 2 Entering a new map SClac ssetsraiasaccassasedeorsalacsanieseeaseactunlesenesuaiuasacricentes 5 28 5 2 1 3 Modifying an already entered map Set cccccccccceesseeeeeeeeeeeeeeeeaes 5 31 5 2 1 4 Entering modifications made on the Map View Settings screen BOs TVA Sel e S E ra 5 32 5 2 1 5 When selecting the Wavefront Group Map eciscisicacsecaccseevesindeanrscivass 5 33 5 2 1 6 When selecting the Zernike graph and displaying the RMS graph 5 37 5 2 1 7 When selecting the Zernike graph and displaying MECI OTA ee E 5 41 5 2 1 8 When selecting the Difference map sossasasnsnenseceasseseunesatedeasetonaesatnads 5 47 SOAP D E A A SCL AE E A E EE A 5 48 IA UNE eO a ee E E cn ceonnentacs 5 49 5 23 Display 0e PSP annseo Es AEE OENE AARONA ENE 5 52 D2 A Or So E rea AIDS eoa eis aenmner orci nuesneamneroonsan 5 53 5 3 Changing Displayed Maps Map View ssscccccecccessseeseeceeeeesaeeesseeeeeeeeeeeeeeeaees 5 56 5 3 1 Changing map types and overlay options ssesseeeceeceeeeeeeeseeeeeeeeeeeaes 5 57 5 3 2 Changing the color scale Select Color Scale sesascecesersscnnssavcwesepsercaseannwes 5 61 5 3 3 Changing an exam displayed on a map to another exam No 005 5 63 5 3 4 Zomme MOn a Map seirian eae E E EEEE 5 64
10. already exists will appear and the entered Patient ID will be rejected EEUE ZZZ A AA AAAG 5 6 3 2 Editing exam data Edit Exam Information 1 Open the Patient Selection screen Press D on the measurement screen 2 Select a patient Selecting a patient lists the exams of the selected patient 3 Press twice exam data to be edited The Edit Exam Information screen is opened Or select exam data to be edited and press 5 to open the Edit Exam Information screen 4 Modify or type in desired data Pressing each data heading twice opens its entry field Modify or type in data using the keyboard The data with a R mark on its left cannot be modified 5 Press ox The screen returns to the Patient Selection screen 5 6 3 3 Deleting data Delete Data retrieved from the database 1s deleted 1 Open the Patient Selection screen Press D on the measurement screen 2 Press _ 9 The Delete screen is opened Patient Selection p Last Exam Da 000002 Umino Haruka F 2000 06 27 000003 Hoshino Shizuka F 2000 08 03 000004 Huzie Mamoru M 2000 07 18 000005 Ueno Madoka F 2000 07 19 000006 Kurati Tamae F 2000 07 19 M F M 000007 Kino Toshiya 2000 08 03 000008 Kawai Kazuki 2000 08 03 Hishihara Hiroyuki R 2000 06 24 L 2000 06 24 15 42 R 2001 11 20 09 22 L 2001 11 20 Patient Data 21 of 21 displayed Back wl lt a gt A ese Edit Exam I
11. track of where the backup data is saved e Disks can be identified by the volume name as long as the data on the backup disks is from one unit of the OPD Scan only When using multiple units of the OPD Scan write down the ID information S N of the product etc in addition to the volume name D 7 LMAC MMMMMMM 7xzZ iZAAHHH T MMMM MM M MM Mo wMmMMmmMmMr 4 Insert a Zip disk and press OK Index data backup is performed 5 When the data backup is completed the message Database Backup has been Deep completed appears Press OK This is the end of the backup procedure D 5 2 Backup for the second time and after 1 Press on the Patient Selection screen to display the Database Backup dialog oC Umino Haruka Hoshino Shizuka Huzie Mamoru Ueno Madoka Kurati Tamae Kino Toshiya Kawai Kazuki Hishihara Hiroyuki Isono Naoko Oobayashi Nobuko Banno Yukinobu Shimizu Kazuko Umino Hiroko Sakura Hanako Umeno Ayaka Kouno Miyuki has been completed Patient Selection 2000 06 24 2000 06 27 2000 08 03 2000 07 18 2000 07 19 2000 07 19 2000 08 03 2000 08 03 2000 08 03 2000 07 24 2000 10 02 2000 10 05 2000 10 02 2000 07 04 2000 11 10 2000 07 04 nannan ng nnz ngana nng Patient Data 20 of 20 displayed 2000 07 04 A gt AxOPD2 C View2 WEG WEGB Map Selection 2A View rz C Views A eje s FA
12. Common Axial map and Instantaneous map table are respectively Refractive map and Target Refractive displayed based on the map Wavefront High Order map Wavefront same color scale Total map and Wavefront Group map Min Step This is for specifying the minimum increment value The calculated increment in the case of the Individual or Common of the Normalize does not become smaller than the specified value here Common of Adjustable This is also a relative scale Unlike the Common of the Normalize the calculated increment and intermediate value can be changed in the Middle amp Step area by viewing the histogram Checking V _ Auto Step will automatically set an appropriate increment for a specified intermediate value BE AUU A AAAA Middle amp Step Middle 43 0 Step 0 50 d eps LT Intermediate value Histogram Absolute color scale Absolute With the scale the increment and range are constant Regardless of the patient s refractive conditions areas of the same diopter are always shown in the same color on a map This color scale is useful for a comparison among multiple maps Select from two types of the absolute color scales Smolek_Klyce 1 5D The Smolek Klyce scale An area in the 30D to 67 5D range is shown in 26 colors in increments of 1 5D with the fixed color scale Absolute 26 The Absolute scale has the same color scheme
13. KM median values An error No will be displayed if an er Right Left KM measurement ror occurs during the measurement The measured eye indication blinks count AR 3 Right KM 3 AR measurement count S C A Latest AR values Right eye Left eye 1 25 0 75 178 RI R2 A KM median values 7 94 7 59 170 Simulated KM measured values Right eye Left eye S C A 1 25 0 75 178 RI R2 A 7 94 7 59 170 Pressing the F button clears all the displayed data on the screen NOTE e The sign E may be shown next to the latest AR measured values displayed in the lower portion of the measurement screen This sign represents a lower reliability of the AR data This sign will be frequently shown in the case of keratoconus or a highly irregular cornea after a corneal transplantation AR 3 Right KM 3 S C A S C A 1 25 0 75 17 E 1 25 0 75 17 RI R2 A RI R2 A 7 94 7 59 170 7 94 7 59 170 However if the Print High RMS Data check box is unchecked on the Settings screen low confidence measured data with the E sign is not displayed ZAAO UUU AA AA 4 2 AR measurement count When the auto shot function is turned ON gt AR measurement takes place repeatedly when the main body is best aligned and focuses on the eye until AR median values S C A are automatically obtained by taking the median of the first 3 usable values When the auto shot function is turned OFF e When the AI Mode box is checked dv on the
14. KM nend gt Manual PD measurement Both AR and KM measurements take place Only AR measurement takes place Alignment light 0 Tracking button The auto shot function is turned OFF Al The auto shot function 1s turned ON active The button cannot be a into AW if the tracking button is The auto shot function h IS deed during KM measurement o Only KM measurement takes place pv Manual pupillary distance measure 20 Tracking button Used to turn ON or OFF the auto tracking function ment can be performed Measurement mode button Used to switch between the ARK mode and ARK CT mode E Auto shot button Used to turn ON or OFF the auto shot func tion screen The instrument automatically aligns the measuring unit with a patient s eye The auto tracking function is not ac tive Auto tracking function When roughly aligned to the corneal vertex point the ARK 10000 automatically detects the corneal vertex point and it performs a fine alignment and focusing button is selectable only when the Auto PD check box is unchecked on the Settings 3 30 ZAAO AA GOOO GOOO am Used to print out measured exam data with the built in printer While the data is temporarily saved in the memory the button is marked by a small circle in the upper right corner like E When starting a measurement after press ing the button the instrumen
15. NIDEK REFRACTIVE POWER CORNEAL ANALYZER Model ARK 10000 OPERATOR S MANUAL US Edition NIDEK KO NIDEK CO LTD NIDEK CO LTD 34 14 Maehama Hiroishi cho Gamagori Aichi 443 0038 Japan Manufacturer Telephone 81 533 67 6611 Facsimile 81 533 67 6610 NIDEK CO LTD 3F Sumitomo Fudosan Hongo Bldg 3 22 5 Hongo Tokyo Office Bunkyo Ku Tokyo 113 0033 Japan Telephone 81 3 5844 2641 Facsimile 81 3 5844 2642 NIDEK INCORPORATED 47651 Westinghouse Drive Fremont California 94539 U S A United States Agent Telephone 1 510 226 5700 Facsimile 1 510 226 5750 NIDEK SOCIETE ANONYME Europarc 13 rue Auguste Perret 94042 CRETEIL France EU Authorized Representative Telephone 33 1 49 80 97 97 Facsimile 33 1 49 80 32 08 March 2009 32164 P912J Printed in JAPAN N BEFORE USE OR MAINTENANCE READ THIS MANUAL This Operator s Manual contains information necessary for operating the NIDEK Refractive Power Corneal Analyzer ARK 10000 Pet name OPD Scan This manual includes operating procedures safety precautions and specifications The device complies with ISO 10342 Ophthalmic instruments Eye Refractometers IEC 60601 1 is applied in this manual The dioptric powers are indicated with reference wavelength d 587 56 nm For correct use this manual is needed Especially cautions for safety and operating procedures must be thoroughly understood before using the instrument Kee
16. Pull the joystick forward to move the main body away from the patient s eye Ideal state Push the joystick to move the main body closer to the patient s eye Too far from the patient s eye eof oO Of f m oe oe 6 Perform measurement When both left and right eyes are AR measured and KM measured the measurement order is selectable between A and B A The ARK 10000 AR measures and then KM measures one eye and then it measures the other eye in the same order Example AR measurement Right eye KM measurement Right eye AR measurement Left eye KM measurement Left eye B The ARK 10000 AR measures both eyes and then KM measures both eyes Example AR measurement Right eye AR measurement Left eye gt KM measurement Left eye KM measurement Right eye The explanation in this manual is based on measurement order A In measurement order A the reliability of the PD measured during AR measurement may be lower than the PD value obtained in measurement order B This 1s because the patient s head may shift slightly during the longer interval between the right eye AR measurement and left eye AR measurement The switching between the right and left eyes is automatically performed when the main body is moved with the joystick and the eye to be measured is displayed on the screen When using the auto shot function Ar AR measurement takes place automatically
17. e Temperature 10 to 35 C e Humidity 30 to 75 Non condensing Service life 8 years from the date of initial operation Proper maintenance is necessary ACCESSORIES 10 1 Standard Accessories Spare fuses 2 Spare printer paper roll 3 rolls Power cord l Dust cover l Keyboard l Touch screen pen l Model eye l Chin rest paper 1 stack Operator s Manual 1 copy Configuration disk es 10 2 Optional Accessories External storage device Provide a color printer by yourself or ask your authorized distributor for a printer Recommended printer DeskJet 5550 series Hewlett Packard 17 Keep the configuration disk with care because the disk includes unique information to your ARK 10000 unit such as calibration data APPENDIX A GLY gt SAKY CCU The following terms are used to help you to understand the contents of this manual Before reading this manual read thoroughly and understand the following e AR Measurement Fundus is scanned with slit shaped ray bundles and measured in increments of 1 in the 2 6 mm zone AR measured data is obtained e AR median values The median values of the first 3 usable values taken during AR measured values and put in order in a computer e AR values One of the measured values SPH CYL AXIS obtained during AR or REF measurement which is equal to values obtained by an auto refractometer This represents the refractive status of an approximate center of the eye e Auto shot
18. 2000 07 04 2001 11 20 e Map No L 2000 09 27 17 x L 2000 09 28 11 0 NIDEK r ra E T 2000 10 05 11 28 NIDEK D gt er pe _ x Select a map set to be applied to a map to be printed from among View1 View2 and xs eae View3 Multiple desig jal sses amp nations are allowed E g A map that has just been obtained after measurement will be displayed and printed smoothly by performing the following Assign such maps as the Axial map and OPD map to View1 that allow the operator to quickly check placido ring images for obstruction of tears eyelid and eyelashes Select View2 or View3 to be applied to printed maps and check L_ Print Out 5 26 4 M MMMM M MMM q qwqq7ZniHHHAHMMMM M M MM W M M 0 MmMmM u J 5 2 1 1 Assigning an entered map set to View1 View and View3 1 Open the Map View Settings screen Press on the Patient Selection screen or Tab 2 Press the View 1 tab a 3 Select a map set with a desired layout and map types from the entered map sets 1 Press W of the Map Set field TE MapView Settings View1 Map View screen 7 The entered map sets are listed 2 Press a desired map set to select To create a new map set see 5 2 1 2 Entering a new map set To modify an entered map s
19. 42 50 ae aa ric ra ioe T Ip o Eeg Pars 48 749 An452 A 468 cg Puni 033 4 0 97 120 o 45 107 Pwr 0 54 Dist COME OP RMS OAID RMS 0 870 Dist oooga re CYL 1 22 CYL 071 Dist 0 00 0 3mm one Smmd one 250 1 16 17 Case 2 where an intraocular lens is tilted Regardless of a small amount of corneal astigmatism astigmatism is observed in the OPD map Itis assumed that the astigmatism observed in the Internal OPD map is caused by the tilting of the IOL REMILI 53 50 53 00 52 50 52 00 51 50 51 00 50 40 50 00 45 50 45 00 43 50 S 490 Aeg O90 f ATIG f VD 412 00 Smmdzone i eso Salaels 43 00 0 00 4 500 ooo ied 47 00 3 KT 46 50 d D E T ka e Cas Arts T Puria 1 87 io Bakes 1 90 Bo ne OAT Sis Sooo mea RMSD RMS 020D Dist O 00 0 C L 4 2 C L 1 52 ist 0 00 0 E 3 VARCA OOR G GGOOGLE Keratoconus The Internal OPD map reflects the presence of a large prism displaying the distribution of both warmer and cooler colors Warmer colors YD 12 00 3mmzone S5Smmzone 50 Si 9 33 Si 4 500 3mmzone Smmzone 2 C 5 38 A 0 76 88 1 12 23 ote Al 14 Pw 13 84 O 16 178 0 64113 PX 0 10 UN S 2 32 D R MS 2 34 Dist 0 00 0 C L 0 92 CY L 0 48 Dik 0 00 0 3 04 5 320 Cooler colors Eye after corneal transplantation The Internal OPD map reflects the corneal surface after corneal transplantation ViD 12 00 3mmzone SmmZone 1 54 S 4 49
20. 5 3 5 Checking the distance between two points essesssssseeessssssssseerrsssssssees 5 64 3A Slay 112 the IO SiC iCG Map a samcaniscesutacseaenetneqnonuespsavensionemnassuaaeqnouinsseurceucineosioen 5 65 5 5 Manual Pupillary Distance PD Measurement iciiscrsovcrtaiverdssmctseonaecaedsetiaencorordvevctes 5 66 DO AAO AS recess scene nya E cet yee coat EESE OEE E E E 5 67 5 6 1 Importing external data into the database Import ce eeeceeeeecceeceeeeeeeeeeeees 5 67 5 6 2 Outputting an exam from the database Export ccccccesseesseeeeeeceeeeeeeseseeeees 5 70 Oe MING eE E E EEEO TEES 5 75 5 6 3 1 Editing patient data Edit Patient Information cccceseeesseeeeeeeeeeees 5 75 5 6 3 2 Editing exam data Edit Exam Information ccccccccssssseeseeeeeeeeeeaes 5 76 DiOio WIC ICM data Delete Jea canna aanaeiciuse cdiniasanmeiucone Ga snenanaeunnune 5 76 5 0 4 Backing up or rebuilding the database os csaessancnessnensommseavnsetaceniomesarerieansborsasersaones 5 78 5 6 4 1 Backing up the database Database Backup sssseeesssssssssserssssssssee 5 78 5 6 4 2 Rebuilding the database Rebuild Database cc cceseeeeeeeeeeeeeeeees 5 80 5 6 4 3 Setting a target location for backup data imported data or exported data Select Database Directory cccccccccsssseeeeeeeeees 5 82 5 6 4 4 Setting data deletion criteria Backup Settings ceeecceeceeeeeeeeees 5 84 eh CUE UC Map TI
21. Amt of misalignment lt 0 4 Yellow 0 4 lt Amt of misalignment Red Comment Input on the Edit Exam values calculated from the data over 3 mm dia circle From the upper item Information screen Refractive power of the steepest meridian Angle Refractive power of the flattest meridian Angle dk Difference in refractive power between the flattest meridian and the steepest meridian About color scale The Refractive map color codes corneal refractive powers The higher refractive powers become the warmer the colors on the map become The lower refractive powers become the cooler the colors on the map become LAAU AAO OOCR 5 5 1 4 Elevation map This map shows the differences in elevation between a reference sphere and the cornea that intersect with each other Generally Best Fit Sphere is applied as the reference sphere The reference sphere value is changeable See p 5 8 This map showing the differences in elevation from the reference sphere allows the operator to check astigmatic components in shape This map also indicates the progress of keratoconus with protrusions from the reference sphere In the case of keratoconus protrusions from the reference sphere are shown in red Upward protrusions from the reference sphere are warm colored and downward protrusions from the reference sphere are cold colored The scroll bar permits the user to view the map from different directions Adjusting the j
22. In addition although the tip of a touch screen pen is covered with resin which is unlikely to scratch the panel the panel may be scratched by strongly pressing the pen against the panel JUHWWWW WWMWWWWW WWwTwmMC MMMMMMMMM HMMC M CeqMq qeMmMmM MMeewCeCe eC CCWr_ 5 CAUTION e Never press two or more points on the touch screen panel at the same time A malfunction may result e Incase of an instrument failure disconnect the power cord from the outlet and contact your authorized distributor without touching the internal structure of the instrument Do not install Windows application software other than the ARK 10000 software The installation of any other Windows application software may lead to abnormal operation of the ARK 10000 and loss of stored data In addition the warranty may not cover your ARK 10000 if Windows application software other than the ARK 10000 software is installed e Turn off the power and put a dust cover over the instrument while it is not in use Accumulated dust dirt etc may adversely affect measurement accuracy e Never disassemble nor touch the internal structure of the instrument An electric shock or a failure of the instrument may result e Information on the avoidance of overexposure to potentially hazardous optical radiation ISO 15004 1997 Spectrally weighted photochemical radiances L and L give a measure of the potential that exists for a beam of light to cause photochemical hazard to
23. It is assumed that of the total refractive power of the eye the cornea is responsible for 75 and the crystalline lens is responsible for the remaining 25 With the ARK 10000 the distribution of the corneal refractive power obtained by corneal topography and the distribution of total refractive power of the eye obtained by REF measurement and illustrated on the OPD map are available This Internal OPD map illustrates the distribution of astigmatism of the internal eye calculated from the data This map shows if internal astigmatism especially lenticular astigmatism is involved Mostly total astigmatism results from corneal shape corneal astigmatism However in some patients lenticular astigmatism counteracts the corneal astigmatism About 20 of astigmatic eyes involve internal astigmatism When prescribing contact lenses or performing corneal refractive surgery it is important to consider both corneal astigmatism and internal astigmatism Map title Date and time of measurement Cross cursor voasurad eye Exam Ne Can be moved to a desired po sition Values at the cursor po sition are shown in the lower right corner of this map This mark moves in accordance with the value at the cursor position Shows values at the cursor po sition Power Distance from the cen ter to the cross cursor Angle Represents the specified color scale mode Norm Normalize Indv Individual Com Common Number Increment
24. Kouno Miyuki 2000 10 02 2000 07 04 2000 11 10 2000 07 04 4 Patient Data 20 of 20 d 2000 07 04 isplayed okaze nannan ng nnz ng nna nng D 3 0 LU MMACLJZ MMM M 7 zZxZZHHHHK _WPmFMMMM MC_ MMMMMMMMMMM 2 Confirm the setting on the Database Backup dialog and then press ox SEH UR he exams sav Ordinarily maintain the factory setting as be eee shown in the figure on the right Database Backup ea nia the hard disk to high capacity media Free up the 8000 MB of disk space by deleting the exams in order starting with the oldest M Delete the patient data permanently which has not been retrieved for years Ordinarily the Differential option should be selected Select the All option to make a new backup copy of Bit salu AH aa deed 47S ARA Uo ADAN SORD AAK WRN MA data just after changing the storage location for the m aca backup data 3 The message encouraging the operator to Message insert a new disk appears Write the displayed volume label disk name on an adhesive label of the Zip disk Drive E Insert the pewenieore which iz labeled OPO BAKOO0T Cancel IN Volume label NOTE e Be sure to write down the volume label on an adhesive label of the disk to avoid losing track of where the backup data is saved e Disks can be identified by the volume name as long as the data on the backup disks is
25. Press the Shut Down option The Shut Down Windows dialog appears 3 Make sure that the Shut down option 1s selected 4 Press IOK After a while the It s now safe to turn off your computer message appears In this case the power switch will not be turned OFF automatically 5 Turn OFF the power switch Be sure to turn OFF the power switch after the It s now safe to turn off your computer message appears NCAUTION e Be sure to turn OFF the power switch after the It s now safe to turn off your computer message appears If not a loss of data or a failure of the instrument may result MMMMWMM M W q q _ZxZzAHH Z Z XT _ jqW qwM qmnMMMMMmMmMM _ 5 s 0 5 11 Transmitting ZS ZC and ZA Data to an Auto Optometry System By connecting the ARK 10000 to an Auto Optometry System such as COS 550 in the same way as connecting NIDEK AR or ARK series the operator can import AR data measured by the ARK 10000 to the connected Auto Optometry System and start a subjective measurement based on the data imported from the ARK 10000 When the ARK 10000 is connected to the Auto Optometry System ZS ZC and ZA data that is calculated by wavefront analysis can be transmitted instead of the AR measured data to the Auto Optometry System To transmit the ZS ZC and ZA data follow the procedure below It is necessary to check the Send Aberration data check box on the Settings screen
26. Q ea 8 E ANAS a 66 2 Confirm the setting on the Database Detib aso e CSee 29 7 Vv Back up the exams saved into the hard disk to high capacity media Backup dialog and then press ox Back UB the exams From i E lo 2 ES x Free Up the 300 MB of disk space by deleting the exams in order starting with the oldest E Delete the patient data permanently which has not been retrieved for ye 3 The message asking the operator whether or not to create a new index backup disk is displayed Press when overwriting data to a disk where backup index data has already been Do you create New Indes backup media saved This message is not displayed when the index backup disk is created for the first time for the ARK 10000 J MMMMMV M WMM 7 77 7ZZHHHHHHAHHHHH WM W m Mm MmMMMmM Ms ir D 8 It is also possible to create multiple index backup disks as an insurance against loss or breakage of index backup disks To create new index backup disks press and back up the index data in the same manner as Step 3 to Step 4 of D 5 1 First time backup instead of Step 4 By rotating the multiple index backup disks overwrite the latest index data over a disk where the oldest data is saved 4 The message encouraging the operator to insert an index backup disk appears Insert Insert the cartridge labeled OPD IDSO001 the disk of a displayed volume label disk Cancel name and press OK Data backu
27. Rad distance from the center Dist and Axes at the cursor position Only for color 2D Border Line This is for setting whether or not to draw boundaries in black Only for color 2D and color 3D Grid Sections 1 millimeter squares the corneal vertex point and the point of measuring light axis only for the color 2D KE ZZO RRUA AAAA E NOTE e Changes to the display mode or options for the Elevation map in the Select Map Type Pattern dialog via the Map View screen are temporarily applied The changed displayed mode or options will be reset back to as before the changes once you select another patient or you turn OFF the instrument Changing the reference sphere The Elevation map is displayed with respect to the Best Fit Sphere the reference sphere The reference sphere may be changed by changing the area to which the Best Fit Sphere is applied or by specifying the radius of the reference sphere Changing the area to which the Best Fit Sphere is applied Best Fit Sphere 1 Click in the Elevation map pe The Best Fit Sphere dialog is displayed BFS s5 OQ Fone f 6 OQ Diameter of target area mm 2 Enter a desired diameter mm of the target area in the Zone field and press ox The Elevation map is displayed with respect to the Best Fit Sphere the reference sphere with the entered diameter To return the entered values in the
28. The Zernike graph has 2 graph modes RMS graph and Coefficient graph The RMS graph demonstrates root sum square values of components entered by each group for comparison among several groups The Coefficient graph shows individual coefficients for a group a combination of aberration components Fe toggles between the RMS graph and Coefficient graph 5 1 12 1 RMS graph The graph represents grouped results of aberration components The root sum square values of the components entered by each group are displayed This map is especially useful for confirming aberration components such as coma aberration or defocus Map title Measured eye Exam No Region Order number Wi Zgrph L No fone 6 0 Order 6 Vises opo 400 86 00 12 00 16 00 Group set name Total a 1 18 JEM 0 34 The RMS values of Oth components High 0 34 are not contained Group name T coma 0 16 T Trefoil 0 22 T 4Foil 0 00 T Sph 0 19 ir act Used to display values or to clear values Used to open the Select Used to switch the graph Used to display the Zernike Color Scale dialog to the Coefficient graph Coefficient Selection dialog A Selecting a group combination group set to be displayed on the graph 1 Press the group set name field in the upper left of the graph Entered group set names are listed 2 Press a desired group set name to select The RMS graph of the selected group set will be displayed Factory entered
29. W MM mM MmM Mmui 5 3 4 Zooming in on a map Pressing a under the color scale of each map enlarges the map only 1D 000009 Standard map Hishihara Hiroyuki 3200 SIM K s ara 44 29 7 62 en 07 42 61 7 92 0 17 Used to enlarge a map SIM K s 44 29 7 62 107 42 61 7 92 17 dk 1 68 0 30 Pressing B returns the map to its original magnification 5 3 5 Checking the distance between two points The distance between desired two points on a color map may be checked 1 Make the cross cursor Cross Cursor overlay option appears on a color map See 5 3 1 Changing map types and overlay options Difference in diopter between the starting point and end point 2 Press a starting point on a map to designate Distance between the starting point Starting point and end point Angle while pressing Shift om The cross cursor moves to a starting point ii 3 Drag the cross cursor to a desired point as an end point by pressing The difference in diopter between the starting point and end point dPwr and the distance dDist are displayed over the cross cursor dP 0 4 7 0 08 l l dDist 5 36 0286 Pressing any point on the map without pressing 38 5 ae zi oo k 5 returns the cross cursor to a normal one ar 5 4A 29 7 DORF i o EBAT yn iT Par 441r TGA dk 1 68 0 30 Dist 3 190287 End point The distance between two points is uniformly d
30. Zooming in on a map gt 5 3 4 Zooming in on a map Checking the distance between two points on a map gt 5 3 5 Checking the distance between two points Displaying the Difference map gt 5 4 Displaying the Difference Map Manually measuring the PD gt 5 5 Manual Pupillary Distance PD Measurement Importing external data obtained by another ARK 10000 unit gt 5 6 1 Importing external data into the database Outputting measured data to an external device gt 5 6 2 Outputting an exam from the database Editing and deleting an exam in the database gt 5 6 3 Editing data Backing up the database gt 5 6 4 1 Backing up the database APPENDIX D BEFORE FIRST BACKUP PROCEDURES Outpuiting a map s numerical data gt 5 7 1 Outputting numerical data from a map Outputting a map s image data gt 5 7 2 Outputting map images Editing detected edges of a Cl captured image 5 8 Editing Detected Edges Setting the parameters 5 9 1 Setting parameters Setting date and time gt 5 9 2 Setting date and time 5 2 A MMJ MMMW M MMMMMMM TZHZH ZX TZH 7ZHZHZ _ W W M MM M M MqMmMnM uJ 5 1 Color Maps 11 types of maps and eye image captured during CT measurement are available 5 1 1 Axial map This map shows by the equation below converted refractive powers of the analyzed image captured during CT measurement from the corneal curvature radiuses which were obtained w
31. entGroupName 2ndTrefoil P T e 20 4 Check only the aberration components to be le R displayed in the Coefficient graph wee Checks all the aberration i e Ol a ee 5 E component boxes 0 masae T17 T18 Aija 20 D t ll th b ti E A BO Be RK Deselects a e aberration E ee 7 r 27 297 aT 31 327 33h 34 T 35 component boxes ae 4 S w 8 gt o en gt Nm gt w E gt i 1 oO 1 1 5 Press S The Message dialog is displayed Do you save the entry name with the settings 5 44 fi MMMMMMMMMMM q q7zzNMAAHAHHWHWTW WM M M MM m nmMMmMJ RK 6 Press Yes The screen returns to the Zernike Coefficient Zernike Coefficient Graph Settings Graph Settings dialog Graph Mode C RMS Graph V Sets Coefficient Graph 2ndTrefoil v ije 3 __ __ 4 A group will be entered iT e The screen returns to the Map View Settings it screen The entered group name will be shown in yellow on a map button Pressing returns the display to the Map View Settings screen without entering a group Zerr AAA AAA AES Modifying an entered group The included groups in a user entered group shown in black may be modified whereas a factory entered group shown in blue may not be modified 1 Confirm that the Coefficient Graph radio button is selected in the Zernike Coefficient Graph Settings dialog
32. select it 2 Press H A line is inserted immediately over the selected group name in Step 1 Zernike Coefficient Graph Settings Graph Mode RMS Graph vv C Coefficient Graph High Total Tilt S1 High 3 5 S 7 4 5 6 88 Zernike Coefficient Graph Settings Graph Mode RMS Graph Original C Coefficient Graph High 4 56 S8 Zernike Coefficient Graph Settings Graph Mode RMS Graph Original v C Coefficient Graph High x Cancel J MMMM M MMMq qqq7ZzZH2VT2HVXHHHHHHXX M MMMMr _ S 39 3 Press v of the inserted line Zernike Coefficient Graph Settings Graph Mode The entered groups are listed A Ca Original Coefficient Graph High 4 Press a desired group name to select it The selected group name will be inserted 5 Delete unwanted group names 1 Press a group name to be deleted 2 Press Dy The selected group name in Step 1 will be deleted 6 In the same manner as Steps 4 and 5 insert or delete group names and arrange selected groups in a desired order 7 Press gg The Message dialog is displayed 8 Press Yes Do you save the entry name with the settings The screen will return to the Map View Settings screen The entered group set name will be shown in yellow on the map button Pressin
33. 3 The message encouraging the operator to insert a new disk appears Write the displayed volume label disk name on an adhesive label of the Zip disk NOTE Patient Selection Map Selection View BZ 000001 Asahi Noboru 000002 Umino Haruka 000003 Hoshino Shizuka 000004 Huzie Mamoru 000005 Ueno Madoka 000006 Kurati Tamae 000007 Kino Toshiya 000008 Kawai Kazuki 000009 Hishihara Hiroyuki 000010 Isono Naoko 000011 Oobayashi Nobuko 2000 06 24 PETT 2000 06 27 vias 2000 08 03 C View2 2000 07 18 WFG 2000 07 19 views aI re 2000 07 19 wie 2000 08 03 WFSE 2000 08 03 1 2 2000 08 03 2000 07 24 ia 2000 10 02 2000 10 05 2000 10 02 2000 07 04 2000 11 10 2000 07 04 2000 07 04 v b Patient Data 20 of 20 displayed oleas azele 000012 Banno Yukinobu 000013 Shimizu Kazuko 000014 Umino Hiroko 000015 Sakura Hanako 000016 Umeno Ayaka 000017 Kouno Miyuki 4 nannan ng nna NS nna ATS Database Backup Iw Back u the exams saved into the hard disk to high capacity media Differential All Frogs 2 Io Fa S Free up the 300 MB of disk space by deleting the exams in order starting with the oldest M Delete the patient data permanently which has not been retrieved for ear OK Cancel Drive E Insert the sear menia which is labeled OPD De0007 Volume label e Be sure to write down the volume label on an adhesive label of the disk to avoid losing
34. 3mmzone Smmdzone 0 89 5 0 68142 DSENA AN2 AY AG Paari 1 6 0 218 Pwr 0413 RMS O4D RMS 2 yf RS oe oS Dist 0 00 0 me o ee 3 SA aa APPENDIX rs hee EAE ST EAE aE COMPATIBILITY MMMM q qcqC0Y0 MMMM The ARK 10000 complies with the International Electrotechnical Commission standards IEC 60601 1 2 2001 for electromagnetic compatibility as listed in the tables below Follow the guidance in the tables for use of the device in an electromagnetic environment EMC IEC 60601 1 2 2001 Guidance and manufacturer s declaration electromagnetic emissions The ARK 10000 is intended for use in the electromagnetic environment specified below The customer or the user of the ARK 10000 should assure that it is used in such an environment Emissionstest Compliance Electromagnetic environment guidance RF emissions The ARK 10000 uses RF energy only for its internal CISPR 11 function Therefore its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment RF emissions Class A The ARK 10000 is suitable for use in all establishments aa other than domestic and those directly connected to the Harmonic emissions Not applicable public low voltage power supply network that supplies aa buildings used for domestic purposes Voltage fluctuations Flicker Not applicable emissions IEC 61000 3 3 seer Guidance and manufacturer s declaration electromagnetic im
35. Amap is a se with the designated layout of View1 View 2 or View 3 When pressing 23 or Sajon the Map View screen gt Printout is made of the checked layout of View1 View2 or View 3 at _ Print Out Map layout map type eye and overlay options can be entered in the setting called AxOPD2 AxOPD4B map set Multiple map sets can be entered Enter or modify a map set as neces sary CTOPD6 CTOPD6B Standard map et 5 2 1 4 Entering modifications made on the Map View screen to a map set WF6 WF6B Map set in blue Factory entered map sets Unchangeable Map set in black User entered map sets changeable Assigning a map set applied to displayed maps or printed maps See 5 2 1 1 Assigning an entered map set to View1 View2 or View3 MapView Settings of a map set to be applied to displayed maps TET s See 5 2 1 2 Entering a new map set 5 2 1 3 Modifying an already entered map On the Patient Selection screen select a radio button Views Note that a displayed map via the measurement screen P Q P 5 roo z is shown with View 1 MapView Setting s Patient Selection Views z nme se p Map Set 000010 Isono Naoko 2000 07 24 WEEB 000011 ET Meu ko 2000 10 02 L 3 000012 Beano Yunnanu N cor 008 Ci 000013 Shimizu TIA 2000 10 02 000014 Umino Hiroko F 2000 07 04 e we 2000 11 10 4 2000 07 04
36. Amount of misalignment ee Order Highest analysis order of Zernike pyramid 0 Amt of misalignment lt 0 3 About color scale The Wavefront High Order map allows the operator to check wavefront shapes of the third or higher order by color distribution As wavefront aberrations are positioned forward away from reference wavefronts of a lower order 1st to 2nd the map colors become warmer As wavefront aberrations are positioned backward away from the reference wavefront the map colors become cooler To change an analysis zone and order Open the Select Map Type Pattern dialog and change an analysis area Zone and order Dim in the Zernike Analysis area in the lower left of the dialog The Zernike Analysis area is displayed only when Wavefront HO map Wavefront Total map Wavefront Group or Zernike Graph is assigned to the map type change button 0 3 Amt of misalignment lt 0 4 0 4 Amt of misalignment Red Forward Backward Low order wavefront High order wavefront Map type change button Select Map Type Pattern Map Type Option Angle Scale lf Cross Cursor Grid 7 Pupil Contour zernike Analysis Border Line one 6 00 Order E M OK cane Z ZZO AAU UUAA A A R 15 5 1 10 Wavefront Total map This map shows differences in wavefront aberration a total wavefront aberration from the Oth order to a specified order in the Zernike pyramid b
37. Checked When the box is checked fogging is kept on from the second time and after during repeated AR or REF measurements Auto PD Factory setting Checked Selection of whether or not to perform pupillary distance PD measurement automati cally when both eyes have been measured during AR or REF measurement When this box is not checked the PD will not be measured automatically the operator can manually select the PD measurement mode with the measurement select button p 5 66 KM Display R1 R2 AVE CYL Factory setting R1 R2 Setting of the display format in which simulated keratometry data obtained during KM or CT measurement is displayed on the measurement screen R1 R2 Value along the flattest meridian R1 value along the steepest meridian R2 and axis angle of R1 AVE CYL Average of RI and R2 AVE amount of corneal astigmatism CYL and axis angle of R1 MMMMMMMM MMMMM w 7q7q T7qZMM MW W WMM Mmnu MMMM _ d2 KM Unit mm D Factory setting mm Setting of the indication unit for simulated keratometry data from KM or CT measure ment to be displayed on the measurement screen Print Parameters related to the built in printer Print Mode Switch Finish None Factory setting Switch Selection of when to start printout Switch Printout is started when or is pressed Finish Printout is started at the completion of both eye measurement when the auto shot function is turned ON or when the AI Mode box
38. Date sensesecusceccune Pressing discontinues the backup process M Free up the 8000 MB of disk space by deleting the exams in order starting with the oldest In such cases the data backed up until the T Delete the patient data permanently which has not been retrieved for years b ackup proce S S W as di S C ontinued will be Patient data is backed up into the OPDADX nnnn disk _ Both patient and exam data are backed up into the OPD BAK nnnn disk effective cn When backup is completed the Database i Message backup has been completed message is displayed 5 Press button The screen returns to the Patient Selection screen CAUTION e Be sure to back up data on a storage disk such as a ZIP disk or DVD RAM In case of built in hard disk corruption saved data can never be used again In addition a storage disk such as CD R CD RW DVD R which need writing software are improper for data backup e Operators are responsible for managing obtained data NIDEK assumes no responsibility for a loss of data NOTE e The internal hard disk is factory selected as a backup location Backing up data on the internal hard disk instead of specifying a storage disk as a backup destination reduces the internal database capacity by half compared to backing up data on a storage disk This is because both data in the database and its backup data stored on the internal hard disk take up a part of the internal hard disk space
39. Erase the current e 7 option has been There iz 4 database in these D NAK SSlndex and selected D ARK a Data p folders The message dialog on the right is displayed ee Go to Step 6 Do You erase the curent database and rebuild a new database 7 j Cancel Press the button The message encouraging the operator to insert Message a backup disk appears If the built in hard disk has been designated as backup location the database will be rebuilt Go to Step 9 Insert the cartridge labeled OPD BAENNNN to E drive Insert the backup disk and press the Rebuilding Data 5 10 button EN IIE E TBC AEN Rebuilding of the database is performed When E IL A all the data on the inserted backup disk has been EE EERE OT loaded the same message as in Step 6 appears Canco Insert the next backup disk and press the button Repeat Steps 7 and 8 to load all the data on all the backup disks When the loading of all the data has been completed press the button to finish the rebuilding process 9 After the completion of rebuilding the i Message message Rebuilding of database has been Rebuilding of database has been completed completed appears 10 Press button 11 The screen returns to the Database Settings screen Press Re The screen returns to the Patient Selection screen S 82 LM MMMMMMM w7q7zxZHIHHHTT TZTZ7ZMW qmn wMMwMMMmwmMMm r 5 6 4 3 Setting a target loca
40. ID will be rejected To enter more detailed patient information Edit Patient Information 1 Press amp to open the Edit Patient Information screen i SystemID 4 iP 000004 Last Name First Name Z Middle Name Z Sex F 2 Pressing a desired item twice opens an entry box Input characters using the keyboard The item with a R on its left will not oil accept any entry OK cane 3 Press ox The Input Patient dialog is displayed 4 Press ox Date of Registration 2001 10 29 14 15 Last Exam Date 0000 00 00 00 00 Address Overrefraction The measurement data can be registered with the desired patient selected from the existing patient list displayed on the Select Patient screen If the patient has not been registered register the measurement data by entering Patient ID Last Name First Name Sex and Birthday in the Input Patient dialog as in the case of saving the measurement data in the ARK 10000 NOTE If the OPD Station software is V1 02 or earlier update the software With the software V 1 02 or earlier Last Name First Name Sex and Birthday entered in the Input Patient dialog are not registered to the OPD Station Characters other than alphanumerics in the registered patient information in the OPD Station are displayed as on the Select Patient screen of the ARK 10000 The registered patient information in the O
41. MJ X U r 4 6 Viewing Maps Map View There are two methods to display measured results in color maps I Displaying measured data in color maps just after measurement See 4 6 1 Displaying a map via the measurement screen I Retrieving measured data from the database and displaying it in color maps See 4 6 2 Retrieving an exam from the database and displaying it in a map The Difference map that displays the difference in measured data between two different Exam Nos can be displayed only in the case of I See 5 4 Displaying the Difference Map Color maps are displayed in a map layout number of map placement map types and so on specified in advance In the case of I Maps are displayed in the map layout of View 1 In the case of I Maps are displayed in a selected map layout from among View 1 View 2 and View 3 Scroll arrow Map set name Used to move upward one map The Map View screen can include six maps i at the maximum However because six maps Ii 3 1D 000001 MapView Asahi Noboru do not fit inside the window at a time view E 1D 000001 all six maps in a window by scrolling through them vertically oa REES e Scroll bar Scroll arrow Used to move downward one map 4 6 1 Displaying a map via the measurement screen Press on the measurement screen The screen switches to the Map View screen rin Map View Asahi Noboru and the l
42. Mode MIX Factory setting This field is for setting a reading mode for CYL values However for keratometry data the data is shown in mode when the radio button is selected When the or MIX radio button is selected the data is shown in mode Cornea Index This field is for setting the corneal refractive index to be used in calculation N Corneal refractive index to be used for calculation of the Axial map and Instantaneous map displays Factory setting 1 3375 N Corneal refractive index to be used for calculation of the Refractive map and Target Refractive map displays Factory setting 1 3760 Press an entry field to select and enter an index with a keyboard Zernike Analysis This field is for setting an area to be analyzed and the highest order analysis used in calculations for the Wavefront High Order map Wavefront Total map Wavefront Group map and Zernike graph Zone This is for setting an analysis area Radial order This is for setting the highest order analysis Map Color This area is for setting color related specifications for a map displayed on the Map View screen Background Factory setting Black This is the background color of a map Text Factory setting White This is for setting the text color on a map However the texts of items changeable by pressing are shown in green Press the color area on the right to open the Color dialog and select
43. PD window Hij VGA connector J E Fuse Ja Ina O ono lt e a a W o USB connector AC inlet en Printer connector Right side view COM connector Used to connect an interface cable when trans mitting data to the refractor NIDEK RT 2100 or an external computer Ethernet connector Used to connect the instrument to Ethernet To do this it is necessary to set Windows 2 Mouse connector Used to connect a mouse Connectable mouse type PS 2 mouse CAUTION een COM connector O Ethernet connector 2 Mouse connector Keyboard connector 3 Keyboard connector Used to connect the keyboard Power switch Flip the power switch to the side to turn the instrument ON When turning it OFF be sure to press on the touch screen panel instead of pressing this switch After Windows has stopped all its operations the instrument automatically shuts off e Accessory equipment connected to the analog and digital interfaces must be certified according to the representative appropriate national standards for example UL 1950 for Data Processing Equipment UL 2601 1 for Medical Equipment and CSA C22 2 No 601 1 EN 60601 1 and IEC 60601 1 Furthermore all configurations shall comply with the system standard IEC 60601 1 Anybody who connects additional equipment to the signal input or signal output part configures a medical system and is therefore responsible that the system complies with t
44. Press the Cancel button e In the sample printout on the next page AR measured data and KM measured keratometry data for the right eye and then AR measured data and KM measured data for the left eye are printed in order It 1s also possible to change the order of the printed data In the order of AR measured data for the right eye AR measured data for the left eye KM measured data for the right eye and KM measured data for the left eye by changing the corresponding parameter setting See 5 9 1 Setting parameters The sign E may be printed next to AR measured data This sign represents lower reliability of the measured data If the Print High RMS Data check box is unchecked on the Settings screen low confidence measured data with the E sign is not printed out 4 4 I MMMMMMMM 7T 7T7 7qZZHHHHIATFV ATMMMMM M MnN MW WMMMM mqmnM0MmMMmMM _ Sample printout ARK mode APR 4 2003 gt Patient No Patient name Sex M F Date and time of measurement S 00 0 50 157 gt Vertex distance 1 295 0 50 162 1 25 0 50 164 25 gt Auto Refraction AR values 91 lt R2 7 51 45 00 83 gt 11 A 6 8 0 50 0 25 12 lt 0 50 0 25 8 gt mm D deg lt R1 7 93 42 50 11 gt lt R2 7 57 44 50 101 gt lt AVE 7 75 48 50 gt lt CYL 2 00 11 gt L 33 gt AR median values Simulated keratometry values R1 Flattest m
45. S3 S5 S7 Coefficient term 6th to 9th terms 15th to 20th terms 28th to 35th terms S4 S6 S8 Coefficient term 10th to 14th terms 21th to 27th terms 36th to 44th terms HiAstig Coefficient term 11th 13th 23th 25th 39th and 41th terms 2ndAstig 3rdAstig 4th Astig The factory entered groups are shown in blue and user entered groups are shown in black B Setting a new group 1 Press a group name in the upper left corner of the graph The Zernike Coefficient Selection dialog is displayed 2 Set a group in the same manner as B Setting a combination of aberration components group to be displayed on the map p 5 18 NOTE e A group entered in the Zernike Coefficient Selection dialog by opening it on the Map View screen is temporarily applicable The selected or entered group will be reset back to the previous one once you select another patient or turn the instrument OFF For specifying a permanent group on the Map View Settings screen see 5 2 1 7 When selecting the Zernike graph and displaying the Coefficient graph EEE MM MMMMMMMMMMMM q q q zZZAHHH JC ZX q MM mMMauqmMM 5 1 13 Difference map This map shows differences between two selected exams obtained at different dates that are retrieved from the database See 5 4 Displaying the Difference Map Note that you should select two exams of the same map type and of the same eye left or right of a pa
46. S5 S7 Coefficient term 6th to 9th terms 15th to 20th terms 28th to 35th terms S4 S6 S8 Coefficient term 10th to 14th terms 21th to 27th terms 36th to 44th terms HiAstig Coefficient term 11th 13th 23th and 25th 39th and 41th 2ndAstig 3rdAstig AthAstig The factory entered groups are shown in blue and user entered groups are shown in black Cpossecesevececseseey 4 Press o a The screen returns to the Map View Settings screen Ay The selected group name is shown in yellow Ws on the map button Zerr OUAU AA AAA 5 4 Entering a new group 1 Confirm that the Coefficient Graph radio button is selected in the Zernike Coefficient Graph Settings dialog lt S 2 Press Ell The Zernike Coefficient Selection dialog is a a l ro p displayed rit 2 a a w co my I T a a a lt Si lt lt lt 9 5 d R A D A jE ion he fee oea i 0 R D E R 4 8 J nN NM aT NM w A ho y 5 P Sailo a ho co ow o E 2 37 R me a 29 a rs is IS A or 417 42 ee z Gy Zw 3 Enter a group name in the Coefficient 99 Group Name field Check aberration components becomes active to be displayed on a graph Zernike Coefficient Selk ction Enter a group name ro Coeffix
47. Settings screen gt Pressing the start button once triggers the instrument to perform AR measurement a single time Holding down the start button makes the instrument perform AR measurement repeatedly until AR median values S C A are automatically obtained by taking the median of the first 3 usable values e When the AI Mode box is not checked d pD on the Settings screen gt Pressing the start button once triggers the instrument to perform AR measurement a single time While the start button is held down the instrument keeps performing AR measurement If the Single Fogging box is checked throughout the repeated AR measurements fogging is maintained throughout measurement 7 Measure the other eye in the same manner 8 After completion of the measurement press sl The measured results are printed See 4 7 1 Printing measured data 4 13 NW C WWCCWCWW T M C MMT MwwMn0 0 4 4 2 AR measurement Only AR measurement objective measurement of the refractive power is performed NOTE e To obtain reliable measured values be sure to read APPENDIX C OBTAINING RELIABLE EXAM DATA before measuring a patient s eye for the first time 1 Turn ON the power The ARK 10000 starts up and the measurement screen is displayed 2 Preparing the patient See Step 2 of 4 4 1 AR and KM measurements NOTE e To relax the patient explain the following before measurement This instrument
48. The numerical data of a displayed map is saved on a storage disk such as a floppy disk The output data can be imported to a computer and loaded into such software as a spreadsheet program The output file will be in the CSV format 1 To save the data on a floppy disk insert a disk into the floppy disk drive Use a MS DOS formatted 3 5 inch 2HD floppy disk See 5 10 Formatting a Floppy Disk 2 Press on the Map View screen The Save Map Information dialog appears 3 Check the target drive and directory in the Directory field Press and designate a directory where the data file is to be output To save the data to a floppy disk input A 4 Press ox The numerical data of the displayed map is saved on the floppy disk When the data has been saved successfully the message Saving of the map information has been completed appears If the data was not saved because of a shortage of free space on a target floppy disk the error message Couldn t save the map information appears Floppy disk drive Eject button Save Map Information Directry EY laj ox Bk Saving of the map information has been completed EELE Z A GGG A 5 Press OK 6 When the data has been saved on the floppy disk eject it Press the eject button to eject the floppy disk NCAUTION Do not eject the floppy disk while the lamp of the floppy di
49. View screen lt gt OK canal ZARU RUU A AAAA ER V Factory entered combinations of aberration components groups entered in the Coefficient Group Name field Total Coefficient term Oth to 44th terms The displayed map will be the same as the Wavefront Total map Tilt S1 Coefficient term 1st and 2nd terms Tip Tilt High Coefficient term 6th to 44th terms The displayed map will be the same as the Wavefront High Order map Coma Coefficient term 7th and 8th terms Coma Trefoil Coefficient term 6th and 9th terms Trefoil N P i non ee T Sph Coefficient term 12th 24th and 40th terms the Zernike pyramid T Coma Coefficient term 7th 8th 17th 18th 31th E g Coefficient term 3th term and 32th terms A coefficient term of an aberration T Trefoil Coefficient term 6th 9th 16th 19th 30th e encena and 33th terms T Astig Coefficient term 11th 13th 23th 25th 39th R and 41th terms 1 T 4Foil Coefficient term 10th 14th 22th 26th 38th and 42th terms p T 5Foil Coefficient term 15th 20th 29th and 34th x terms Low S1 S2 Coefficient term 1st to 5th terms S2 Coefficient term 3rd to 5th terms Astigmatism S Defocus S3 Coefficient term 6th to 9th terms Coma Trefoil S4 Coefficient term 10th to 14th terms Spherical S5 Coefficient
50. Zone and BFS fields back to the defaults press When a value is entered the title will change from BFS to RefSphere The Best Fit Sphere dialog is oe Best Fit Sphere RefSphere 7 4 ey L Radius of reference sphere 7gne 7 4 fina OD 2 Enter a desired radius mm of the reference sphere in the BFS field and press on The Elevation map is displayed with respect to the reference sphere with the entered radius To return the entered value back to the default of the Best Fit Sphere press on the right of the RefSphere field AR ACOG COGG OG OG OGOOGO OOO OOG OGOGO OGWR GRR S 9 5 1 5 Eye image Captured image during CT measurement with an eye image overlaid Allows the operator to check the state of alignment and focusing Map title Measuring eye Date and time of measurement Exam No Cross cursor Can be moved to a desired position Values at the cursor position are shown in the lower right corner of this map Indicates values at the cursor position Distance from the center to the cross cursor Angle Amount of misalignment Distance to the corneal vertex from the measurement light Angle See the footnote on p 5 3 A Comment Offsets 0 05162 Amount of misalignment 0 lt Amt of misalignment lt 0 3 Green 0 3 lt Amt of misalignment lt 0 4 Yellow
51. a desired color J MMMMMMMM Mq q qZZq AAZHHHHMMMM Wqnq W MmqMnq mMmMmMmv_ SS Background Image This is for setting the background of maps when outputting map image data File Image data as the background of a map 1s designated Pressing oy displays the Select Background Image File Name dialog Selecting background data makes it possible to save map image data with its background changed e Q S This is for setting the value representing asphericity of the cornea to be displayed in the table at the lower part of the Map View screen See 7 on p 5 24 Factory setting e Q e Q Eccentricity and Q value e S Eccentricity and Shape factor PSF Show Factory setting Not checked This is for setting whether or not to display the PSF thumbnail on the Wavefront HO Wavefront Total and Wavefront Group maps Q Value Analysis This is for setting the area where a Q value is obtained Press an entry field to select and enter a value with a keyboard 4 Press The Message dialog is displayed 5 Press Yes The settings will be saved 6 Press Ge The screen returns to the Patient Selection screen or Map View screen 5 56 A MUCMWW CMWMMMMMM qq 7 _qx Z2Z7 W n n n n w wm wm mMM MmM Ur 5 3 Changing Displayed Maps Map View The items shown in green on the Map View screen are changeable A displayed map may be modified by pressing these items a
52. aberration components groups in the Coefficient Group Name field Aberration components included in each group in the case of 8th order Only the aberration components of up to the designated order are included Total Coefficient term Oth to 44th terms The displayed map will be the same as the Wavefront Total map Tilt S1 Coefficient term 1st and 2nd terms Tip Tilt High Coefficient term 6th to 44th terms The displayed map will be the same as the Wavefront High Order map Coma Coefficient term 7th and 8th terms Coma Trefoil Coefficient term 6th and 9th terms Trefoil T Sph Coefficient term 12th 24th and 40th terms T Coma Coefficient term 7th 8th 17th 18th 31th and 32th terms T Trefoil Coefficient term 6th 9th 16th 19th 30th and 33th terms EEE ZAU OAA RRUA AAA T Trefoil Coefficient term 6th 9th 16th 19th 30th and 33th terms T Astig Coefficient term 11th 13th 23th 25th 39th and 41th terms A coefficient term of aberration T 4Foil Coefficient term 10th 14th 22th 26th 38th component Oth term represents and 42th terms the number above each term in T 5Foil Coefficient term 15th 20th 29th and 34th Zernike pyramid E g Coefficient term 3th term terms Low S1 S2 Coefficient term 1st to 5th terms S2 Coefficient term 3rd to 5th terms Astigmatism Defocus S3 Coeffi
53. continuous opening of the eye or excess tears just after blinking Do not analyze such an image Delete it by pressing on the edge detection confirmation screen and retry CT measurement When retrying CT measurement the Placido Intensity dialog is displayed See p 4 24 The Placido Intensity dialog should be used for an eye with a light colored iris such as a blue eye which reflects a large amount of light Temporarily lower the placido illumination intensity to improve the contrast of the placido ring image For an ordinary retry set Placido Intensity to 100 6 During operation an error number such as Err200 may appear on the screen In addition an error number may appear according to the measured results When an unfamiliar error number or message appears see OPD Scan Error Number Table and OPD Scan Error Message Table on page 7 If the pupil size is less than 6 mm in diameter the periphery may be unnaturally colored in red or blue on the OPD map These red or blue noises do not represent correct measured data In such cases check the map for the distance of the noises from the center and for the followings 1 If the red or blue noises are present within 5 mm in diameter from the map center Sphere Cylinder and Axis data in the 5 mm zone on the OPD map iS o affected 2 the noises and therefore the reliability of the data is low D oe HDG 14 13 i 2 There is a possibility where the re
54. from one unit of the OPD Scan only When using multiple units of the OPD Scan write down the ID information S N of the product etc in addition to the volume name 4 Insert a Zip disk and press OK Data backup is performed If one disk cannot hold backup data to be saved the message requiring the operator to insert a new disk appears Write down the volume label on an adhesive label of the disk in the same manner as Step 3 and insert the disk 5 When data backup is completed the message Database Backup has been completed appears Press OK This is the end of the first time backup procedure Back up modified data 5 10 M Back up the exams saved into the hard disk to high capacity media e Differential All From D RK 3 Data lo ME DRRANATONNALANNA N l Free UP the 6000 MB of disk space by deleting the exams in order starting with the oldest l Delete the patient data permanently which has not been retrieved for ear Patient data is backed up into the OPD IDX nnnn disk Both patient and exam data are backed up into the OPD BAK nnnn disk Message ZrO UUAA UAA AAA EE D 4 D 4 2 Backup for the second time and after From second time backup and after only newly saved data will be saved As soon as a disk is full the ARK 10000 will require the operator to insert a new disk 1 2 Press on the Patient Selection screen to display the Database Backup dialog
55. image during CT measurement and the Edge Detection dialog are displayed Make sure that a concentric ring image has no distortion or irregular breaks If image capturing failed press the button to cancel analysis After the completion of the CT captured image analysis the confirmation screen displays analysis results In the lower left and right of the screen the thumbnails reduced samples of the iris images obtained during REF measurement OPD Pupil and CT measurement CT Pupil are displayed Pressing a thumbnail switches the displayed image in the center of the screen to the one of the selected thumbnail this allows the operator to view the iris at a higher scale To use the Torsion Error Detection TED function when performing refractive surgery with the EC 5000 check 1f the iris image is usable enough to be subjected to the TED function p 4 26 8 Judging a captured image and detected ring edges Make a judgment based on the following conditions e No influence from patient s blinking nor eyelashes e Was the patient s eye wide open e Did the eye shift and go out of focus e Were the ring edges detected properly The detected edges are shown in red and yellow If the captured image and detected edges are satisfactory gt Press on If it is necessary to edit edges Press i See 5 8 Editing Detected Edges The captured image and detected edges are not satisfactory Press cant PAOA AAO OGC
56. map Target Refractive map Internal OPD map Wavefront High Order map Wavefront Total map Wavefront Group map Zernike graph and Difference map On the screen the Eye Image can also be displayed in stead of a map Selectable on the Map View Settings screen 1D 000001 MapView Asahi Noboru ID 000001 Asahi Noboru Scroll bar Used to print out a map image with an op Used to switch between eye maps Left tional color printer Right When exam data is stored in a database The button is operative only when data of both after printout the button changes into Z eyes is obtained with the same Exam No SF Used to output a map image into a file in the Used to go to the screen where a map set al JPEG format or the BMP format ready entered map layout of both left and right eyes is selected Used to output numerical data of measured results into a text file in the CSV format Used to go to the screen where a map set al ready entered map layout is selected 3 9 Af M MMMMMMMM q q xq w HAAHHM M MWM MWM WW Wwqm MmMmmMJ Used to go to the Map View Settings screen where map types layouts color scales and so on are specified Used to exit from the Map View screen to the measurement screen or to the Patient Selec tion screen Used to display on screen help related to the screen Zerr UUAA AAA AAA TEES 210 Patient selection screen The screen is for selecting exam data to be displaye
57. model eye so that the pins of the chin rest are inserted deeply into the holes of the model eye base Model eye 2 Set the Step parameter in the Measure area on the Settings screen to 0 01 3 REF and CT measure the model eye in the ARK CT mode and print the measured 000022 results NAME 000022 F JUL 29 2000 4 50 PM VD 13 75mm lt R gt S C A lt 5 00 D 0 02 80 Compare the values with the marked mm D deg P oo lt R1 8 00 42 18 76 gt values on the model eye R 8 00 42 18 166 gt lt AVE 8 00 42 18 gt CYL 0 00 76 If a difference between the marked values on the j i model eye and measured results is large measure NIDEK OPD Scan the model eye again after confirming that Step parameter is set to 0 01 and the model eye is Sample printout properly mounted If the difference in Auto Refraction measured values is 0 25D or greater contact NIDEK or your authorized distributor If a difference in KM values is 0 03mm or greater perform the calibration for CT measurement See 7 5 CT Measurement Calibration J MMMWMVM MM M MMqq qx7ZZwZZHHH HZXW W W7 M M M M Mm M w MMmMMMM 6 T pd N QO S 10 5 CT Measurement Calibration If the difference between the marked keratometry values on a model eye and KM measured values is 0 03mm or greater perform CT measurement calibration Open the Settings screen Press 33 on the
58. n The entered map sets are listed E AXOPD4B 2 Press a map set to be modified to select wanieu m 4 As necessary modify the number of maps eye left or right map types overlay options d printout specifications and enter the eee AUT p Map set in black User entered map set change map set able See Steps 5 to 12 of 5 2 1 2 Entering a new map set Map set in blue Factory entered map set Not 5 32 LMJ MMMM M q q wqqZZTHAHQI FTMMM MNM M W W M mwmM mMmM 5 2 1 4 Entering modifications made on the Map View Settings screen to a map set Change map layout map types overlay options or the eye applied to a displayed color map in the Map View screen and enter the changes to a map set NOTE e Only user entered map sets shown in black on the Map View Settings screen may be modified 1 Change map layout map types overlay options or the eye of a displayed map on the Map View screen See 4 6 3 Displaying a map on another map set 4 6 4 Switching between the right eye and left eye 5 3 1 Changing map types and overlay options 2 Display the Map View Settings screen MapView Settings View2 Press lt A SR RN 2 The map set of the selected tab from among Gria Axial Axial Ea Viewl View2 and View3 will be Cross Cursor 6 H Cross Cursor BORE modified gwer CY O lemon Refractive Map Set Ori
59. select an exam to be displayed 000008 Kawai Kazuki F 2000 08 03 See on the maps 000009 Hishihara Hiroyuki M 2001 11 06 View2 r 000010 Isono Naoko F 2000 07 24 WFG 000011 O obayashi Nobuko F 2000 10 02 7 Views El 000012 Banno Yukinobu M g 5 000013 Shimizu Kazuko F 2000 10 02 WF6B 1 Multiple exams of the patient s data are 000014 Umino Hiroko F 2000 07 04 listed in the bottom area of the screen Press a desired exam line When displaying multiple exams at a time go to Steps 2 and 3 In the other cases go to Step 5 2 Press a map position on which the selected exam is displayed Designate a map button in the Map Selection area on the right The designated map button No will be entered in the Map No box 3 Repeat Steps 1 and 2 to select exams to be displayed and each map position Press O The screen is switched to the Map View screen and the maps are displayed in the selected manner 000007 000015 4 Patient Selection p Last Exam Da C yjew1 Kino Toshiya M 2000 08 03 Sakura Hanako Map Selection F 2000 11 10 _ i L 2000 09 27 17 35 L 2000 09 28 11 06 LR 2000 10 05 11 27 With Eye If L 2000 10 05 11 28 With Eye l 4 Patient Data 20 of 20 displayed Of a S Si we Map button 1D 000012 MapView Banno Yukinobu 1D 000012 eUre one 5 00 0 00 40 25 10 00 pa eawn caog o 12 00 Ren Sse A U
60. term 15th to 20th terms Secondary coma S6 Coefficient term 21th to 27th terms Secondary spherical S7 Coefficient term 28th to 35th terms S8 Coefficient term 36th to 44th terms S3 S5 S7 Coefficient term 6th to 9th terms 15th to 20th terms 28th to 35th terms S4 S6 S8 Coefficient term 10th to 14th terms 21th to 27th terms 36th to 44th terms HiAstig Coefficient term 11th 13th 23th 25th 39th and 41th terms 2ndAstig 3rdAstig Ath Astig The factory entered groups are shown in blue and user entered groups are shown in black NOTE e A group selected or entered in the Zernike Coefficient Selection dialog by opening it on the Map View screen is temporarily applicable The selected or entered group will be reset back to the previous one once you select another patient or turn the instrument OFF For setting a permanent group on the Map View Settings screen see 5 2 1 5 When selecting the Wavefront Group map 5 18 LM MMM MM qw qq7uq7zZzZ 7 Z 7uTATXZvz _ q qH7ZHZ WM MM M WMMMMm 0mMM B Setting a combination of aberration components group to be displayed on the map 1 Press a group name in the upper right corner of the map The Zernike Coefficient Selection dialog ale Se ee z ary Defautt is displayed e w i m on qi 5 b 2 Press el The Coefficient Group Name field will be cleared and aberration component
61. the case of overrefraction when measuring the patient s eye with spectacle glasses the focusing indicator may not appear See p 4 10 During AR measurement bring the patient s eye in focus by minimizing the alignment light as much as possible Be aware that the reliability of the AR measured data may be lowered according to the degree of the deflection of the measuring beam caused by the lens of eyeglasses refractive index of eyeglasses During KM measurement the reflected frame image of spectacles will obstruct the placido ring image a placido ring image will have breaks or lenses will cause image magnification to vary As a result the reliability of the KM measured data will be lowered 3 Instruct the patient to place his her chin on the chin rest and gently place his her forehead against the forehead rest 4 Adjust the height of the chin rest with the chin rest knob and roughly align the center of the patient s eye with the eye level marker NOTE e To relax the patient explain the following before measurement This instrument measures your eye to find which kind of lens fits you and your corneal shape The weak infrared ray and red light used in the measurement do not harm your eyes 3 Set the measurement mode to the ARK mode Pi pressed the measurement mode is alternately switched See 4 3 Selecting the Measurement Mode 4 Set the measurement type to the AR KM 96 Every t
62. the retina L gives the measure for eyes in which the crystalline lens is in place L gives this measure either for eyes in which the crystalline lens has been removed aphakes and has not been replaced by a UV blocking lens or for the eyes of very young children The value stated for this ophthalmic instrument gives a measure of hazard potential when the instrument is operated at maximum intensity and maximum aperture The values of L or L for the ARK 10000 are sufficiently low as shown on the following page The retinal exposure dose for a photochemical hazard is a product of the radiance and the exposure time For instance at a radiance level of 8 mW cm esr 30 min irradiation of the dilated 8 mm diameter pupil would cause the retinal exposure dose level to attain the recommended exposure limit If the value of radiance were reduced to 0 8 mW cm sr ten times that time i e 300 min would be needed to reach the recommended limit The recommended exposure dose is based on calculations arising from the American Conference of Governmental Industrial Hygienists ACGIH Threshold Limit Values for Chemical Substances and Physical Agents 1995 1996 edition The following page shows the graph of spectrum output for the ARK 10000 Patients will be at low risk of acute optical radiation with the ARK 10000 However it is recommended that the intensity of light directed into the patient s eye be limited to the minimum level which is ne
63. to be allocated for a database 5 80 LMA M q q q q q q qYq q qzT7wT7 z7ZiiTTZHZ ZHZ qZ xwH qw q EXX W MMmMmMmMn 5 6 4 2 Rebuilding the database Rebuild Database In case of a database crash rebuild the database from backup data or data remaining in data folders e e 2 p 1 Open the Patient Selection screen Patient Selection Map Selection iD vw Name sex A View Press on the measurement screen ge es st Exam D ae Umino Haruka F 2000 06 27 Hoshino Shizuka F 2000 08 03 C View2 les Huzie Mamoru M 2000 07 18 WFG Ueno Madoka F 2000 07 19 views Ej Kurati Tamae F 2000 07 19 e Kino Toshiya M 2000 08 03 WEGE Kawai Kazuki F 2000 08 03 1 7 Hishihara Hiroyuki M 2000 08 03 Isono Naoko F 2000 07 24 OPD Oobayashi Nobuko F 2000 10 02 Banno Yukinobu M 2000 10 05 Shimizu Kazuko F 2000 10 02 Umino Hiroko F 2000 07 04 Sakura Hanako F 2000 11 10 Umeno Ayaka F 2000 07 04 Kouno Miyuki F 2000 07 04 bd 4 Patient Data 20 of 20 ed a gt Vile 2 Open the Database Settings screen Database Settings Press Bi oe S Export Settings Ee i Display Format Settings Rebuild Database Rebuild Database Th e R a 1l d D at ab q S e di al O g 1 S di S pl ay e d F a EE tha cantante af idan and aint folder for mismatching and then rebuild from the current database Necsensncenencsnssceseneneneessnenecoensnecaenensessnonseacn
64. to select multiple exams a E For an exam that obtained results for both eyes Selected fle size Press calculate button Patient pata 1 of played in succession Selecting the exam also selects the exam for the other eye EKE ZU AAA RRUA AAAA 6 Press EJ Data import is started At the completion of data import the message dialog is displayed When Same patient ID exits dialog is displayed gt See If patient data with the same ID already exists in the database of a target ARK 10000 below Press button The screen returns to the Import Outside to Inside screen Press Ue The screen returns to the Patient Selection screen Eject the floppy disk Message Importing of esam data has been completed If patient data with the same ID already exists in the database of a target ARK 10000 If patient data with the same ID but with a different name and or sex already exists in the database of a target ARK 10000 The Same patient ID exits dialog appears in Step 6 Lines with different data will be shown in yellow To add the imported patient s exam data under the existing patient s personal data gt Press m A message encouraging the operator to confirm the addition appears Press Yes If a patient ID or the patient data on a floppy disk Outside or in the database Inside is incorrect 1 Press or press twice the Same patient ID exist
65. were performed accurately Pay special attention to the following e The measuring unit should be accurately aligned to the eye during both measurements See Step 6 on P 4 21 e The black and white edges of the placido ring are traced correctly In addition for keratoconus eyes after coronal transplantation irregular astigmatic eyes eyes with excessive myopia corrected etc carefully interpret the Internal OPD map because the map will be adversely affected by the posterior surface of the cornea due to a substantial deformation of both anterior and posterior surfaces of the cornea For information it is strongly recommended to specify the Standard2 map layout 5 maps Refractive map OPD map Internal OPD map Axial map and Eye Image for displaying the Internal OPD map The examples of real human eyes are illustrated for reference Q Astigmatic eye with no intraocular astigmatism Corneal astigmatism 1 47 D Total astigmatism OPD 1 50 D Internal OPD astigmatism 0 31 dade da dn dndn i gt th Sth S tye 2 2 d i t 0 aS op So t o a C 1 46 A 42 YD 12 00 ammon 5mm Zone Sire S 2 19 TI UI KI ne t D a o a a ii ee 3mmdzone mm zone ig 36 00 0 41 146 4 ae 0 10 56 a 16 a g Pr 0 86 CLD CYL O3 Dist 0 00 0 2 Case where intraocular astigmatism counteracts total astigmatism Corneal astigmatism 1 83 D Total astigmatism OPD 0 49 D Internal OPD ast
66. white cross with a value of the cursor position indigates values at he cursor pi position Represents a specified color Difference in height between ai the reference sphere and cor orm Normalize i IES TGF Het 0 5 Indv Individual e Dist i Myameii lt Com Common Number Increment Adj Adjustable Com Common Number Increment Distance from the center to the cross cursor Angle Pressing here permits you BFS Radius of Best Fit Sphere as the reference sphere mm to change the reference Area to which Best Fit Sphere is applied sphere Color 3D Map title Measurement date and time Measured eye 22 Exam No il Scale s Si eT Ree 14 Magnification in elevation Pad pa cos ca Color scale Also functions as a vertical scroll bar Press or move a finger or a pen along the scale to use the scroll bar dad bs Represents a specified color scale E Norm Normalize Indv Individual Com Common Number Increment Adj Adjustable Com Common Number Increment d Pressing here permits you BFS Radius of Best Fit Sphere as the reference sphere mm to change the reference Area to which Best Fit Sphere is applied sphere 1 The Best Fit Sphere is a sphere that best fits on an applicable corneal area A default value is automatically entered With the default the largest possible circle is set whose 60 or more area is effective not obstructed by eyelash etc for data acquisition and
67. 0 4 lt Amt of misalignment Red Comment Input on the Edit Exam Information screen When the Pupil Contour overlay option is selected the map displays a pupil image instead of a captured placido image See p 5 60 The Photopic option is selected Photopic pupil image Pupil l Angle Scale Cross Cursor image captured during CT measurement e The Mesopic option is selected gt Mesopic pupil image Pupil image Eve image captured during REF measurement Pupil outline I Rings Violet outline W Pupil Contour Photopic pupil outline Photopic Cyan outline C Mesopic Mesopic pupil outline OK Cancel Pupil center Violet cross Photopic pupil center Cyan cross Mesopic pupil center Photopic Photopic pupil size during CT measurement Mesopic Mesopic pupil size during REF measurement MPDist Distance between the photopic pupil center PDst Distance between the corneal reflex spot and the photopic pupil center Angle MDist Distance between the corneal reflex spot and the mesopic pupil center Angle and mesopic pupil AEG Steins aes center angle Comment Otsets 0 15351 When the Pupil Contour and Photopic overlay options are selected E MAJCJ MM MMMMM 7 7T ZqZZHHQZ Z2T XT T7 WqWqMqWqMM M qmM mM 5 1 6 OPD map This map represents the distribution of refractive errors obtained by REF measurement showing the amount to be corrected at respective p
68. 00 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the ARK 10000 as recommended below according to the maximum output power of the communications equipment Rated maximum output power of transmitter Separation distance according to frequency of transmitter W m 150kHzto 80MHz 80MHzto 800MHz 800MHZto 2 5Hz d 1 2J P d 2 3 P For transmitters rated ata maximum output power not listed above the recommended separation distance d in metres m can be estimated using the equation applicable to the frequency of the transmitter where P is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer NOTE 1 At 80MHz and 800MHz the separation distance for the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people F 4 ZAAO AAAA O GGU O GOOO OOGO This page is intentionally left blank
69. 0000 software Cancel Click on to return to the Windows screen Insert a 3 5 inch 2HD floppy disk into the floppy disk drive Press the My Computer icon twice in rapid succession The My computer window appears Press the 3 1 2 Floppy icon Press File on the menu bar The sub menu opens Press Format The Format 3 1 2 Floppy dialog appears In the case of an unformatted floppy disk select Full in Format type area Press Formatting of a floppy disk is started At the completion of formatting the Format Result 3 1 2 Floppy dialog appears Press The Format 3 1 2 Floppy dialog reappears Eject the 3 5 inch 2HD floppy disk from the floppy disk drive CAUTION Do not eject the floppy disk while the lamp of the floppy disk drive is illuminated Corruption of the floppy disk or a breakdown of the floppy disk drive may result 5 1O4 WMMMJ J q q q q q H zHT TWTZAAHTM MMMMMaqmu qwU 11 Press Close The My computer window reappears 12 Press x in the upper right corner to close the My computer window Starting ARK 10000 program from the Windows screen Pressing the OPD Scan icon twice in rapid succession starts the ARK 10000 program Power OFF from the Windows screen 1 Press 3A Start on the lower left corner of the screen The sub menu appears 2
70. 000803 1308 noek E _ 20000803 1904 nok __ Fa R 2nnii11 0R 1RNAR Selected file size Press calculate button Outside free space 1 39 MB For an exam that obtained results for both eyes in succession S electing the exam also selects the exam for An expected size of a file to be output is calculated and the oth displayed at Selected file size oe 1MB 1000KB 1GB 1000MB 6 Press Pa The Export Settings dialog is displayed E t Setti File format ii ii Ordinarily select V1 10D or later File Format gececccccccecccsececesscccecccseccecsssecccssscececssseg select V1 09D or earlier Export Pupil image during CT measurement Yes C No maa l AM Export Pupil image during AR measurement Set whether or not to output pupil image data obtained during CT Yes C No MEASUTEMEN _ Ste Calibration files Set whether or not to output pupil image data obtained during AR ee SINS measurement E Set whether or not to output the calibration file on which the output a exam data is based 7 Select data output format and press o Select data output format according to the target device that receives the output data It is also possible to set so that the Export Settings dialog is not displayed every time data is output See Setting specifications for data output format p 5 74 The selected exam will be saved At the Message completion of saving the Ex
71. 0624 1541 E R zooma Zn Z mn n Z Tn 7 Patient Data 21 of 21 displayed Pressing patient line lists and highlights all the exams of the patient in the bottom area of the screen 2 Press to select an exam line lines to be deleted For an exam that obtained results for both eyes in succession Selecting the exam of one eye also selects the exam for the other eye 4 Press gl A message dialog appears encouraging the operator to confirm the deletion of the selected data Press N The selected exam will be deleted Press Ge The Delete screen is switched to the Patient Selection screen Delete Name Sex Group LastExamDate Asahi Noboru E a 2001 11 20 Umino Haruka F 2000 06 27 2000 08 03 2000 07 18 2000 07 19 2000 07 19 2000 08 03 2000 08 03 2001 11 14 z Date Time Comment volume 2000 06 24 15 41 2000 06 24 000003 Hoshino Shizuka 000004 Huzie Mamoru 000005 Ueno Madoka 000006 Kurati Tamae 000007 Kino Toshiya 000008 Kawai Kazuki 000009 Hishihara Hiroyuki 4 ZnZn 1 Zm Patient Data 21 of 21 displayed These exams only will be deleted EKLE ZUA RRUA AA E 5 6 4 Backing up or rebuilding the database 5 6 4 1 Backing up the database Database Backup It is recommended to regularly back up the database in case of a database crash The database will be backed up in a directory in a drive that are specified in the Bac
72. 0D or later H H Export Pupil image during CT measurement Set each time of exporting RA Select an output format for each data export Export Pupil image during AR measurement Set now i gre i Export Calibration files Data is exported constantly in the format Yes No specified in the Set now area OK aca Explanation Factory setting To output data to the ARK 10000 of program ER V1 09D or earlier select V1 09D or earlier P o P l Setting of whether or not to output the E Pupil T xport Pupil image during C 170 KB eye measurement captured pupil image in the CT measurement l together with the data Setting of whether or not to output the Export Calibration files calibration file on which the output exam data is based a Setting of whether or not to output the Export Pupil image during AR a p upit Image auring captured pupil image in the AR measurement Yes 170 KB eye measurement together with the data 15 KB eye Data for both eyes with pupil images captured during the CT or AR measurements that 1s approx 1 3 MBytes in size can be output to a floppy disk 5 Press ox The screen returns to the Database Settings screen 6 Press Gi The screen returns to the Patient Selection screen A A AC ACAO OGA OGG OGG OGG OGOOGO OGOGO OGOR GWRW 5 78 5 6 3 Editing data Patient data saved in the database can be modified 5 6 3 1 Editing patient data Edit Patient Information 1 Open t
73. 1 1 are used it is necessary to use an isolating transformer to power the device or to connect the devices to additional protective grounding Radius of 1 5m 2 8 ZrO RUU AAA A 2 4 Maintenance NCAUTION e Before the replacement of fuses turn OFF the power and disconnect the power cord from the outlet An electric shock may result e Use only the specified fuses for replacement Fuses other than the specified ones may cause a fire Pay attention not to change the numbers in the voltage indication window while replacing fuses Accidental changing of improper voltage may result in a failure or a fire Repair or disassembling outside NIDEK or your authorized distributor is forbidden Never use organic solvents such as a thinner or detergents with abrasives to clean the covers touch screen panel and placido rings The covers or touch screen panel may be corroded or scratched Especially cleaning of the placido rings with organic solvents or detergents with abrasives will disturb concentric ring shapes which may lower measurement accuracy If the touch screen panel is getting dirty immerse a soft cloth or gauze in water wring it well and wipe the panel Blow the dust off the placido rings with a blower Careless wiping may disturb concentric ring shapes and may lower measurement accuracy NOTE e There may be a few missing or dead pixels in your touch screen panel which appear as
74. 2 D 0 25 D Axis angle 1 5 e Vertex distance 0 mm 10 5 mm 12 mm 13 75 mm 15 mm 16 5 mm e Minimum pupil diameter measurable 2 6mm dia e Relaxation of accommodating eye Auto fogging system e Measuring time single eye 0 4 secs or less e Chart type Scenery chart KM measurement Corneal curvature radius measurement e Measurable range Corneal curvature radius R1 R2 AVE 5 0 mm to 10 00 mm Accuracy 0 05 mm Corneal refractive power R1 R2 AVE 33 75 D to 67 50 D Corneal astigmatism C 0 D to 12 00 D Cylinder axis angle ofcorneal astigmatism 0 to 180 e Indication step Corenal curvature radius R1 R2 AVE 0 01 mm Refractive power 0 01D 0 12 D 0 25 D Axis angle 19 5 e KM measurement range 3 mm dia on cornea when the corneal curvature radius is 7 9 mm 9 20 A M MMMM MMMM qq qqizZiSHX2X M M M M_ MMMMMmM CT measurement Corneal shape measurement e Measurable range Corneal refractive power10 D to 100 D n 1 3375 Corneal curvature radius 3 38 mm to 33 75 mm Accuracy 0 05 mm under all the conditions e Number of placido ring 19 edges 9 rings x 2 Innermost circle or more e Corneal diameter to be measured Maximum diameter 11 mm dia Corneal curvature radius r 7 9 mm Minimum diameter 0 5 mm dia Corneal curvature radius r 7 9 mm e Measuring point 6 840 19 x 360 points or more Pupillary distance measurement e Measurable range 30 mm to 85 mm e Measurement incre
75. 8 27 2000 08 27 2000 Sex F M Address Address2 oft Different Item 4 Are you sure you want bo import both patient and esam data as a new data Message Importing of esam data has been completed 5 70 AM eA OGAOGA 5 6 2 Outputting an exam from the database Export Exams saved in the database are saved in a designated drive The output data can be loaded and viewed in a device such as another ARK 10000 unit 1 Open the Patient Selection screen Press B on the measurement screen 2 To save an exam on a floppy disk insert a Floppy disk drive disk into the floppy disk drive Use a MS DOS formatted 3 5 inch 2HD floppy disk Refer to 5 10 Formatting a Floppy Disk Eject button 3 Press ak The Export Inside To Outside screen is Export Inside To Outside o ened Import Export fas p i gt Name Sex Group Lastexa Resuit Asahi Noboru M 2000 06 24 Umino Haruka F 2000 06 27 Hoshino Shizuka F 2000 08 03 Huzie Mamoru M 2000 07 18 Ueno Madoka F 2000 07 19 Kurati Tamae F 2000 07 19 Kino Toshiya M 2000 08 03 Kawai Kazuki F 2000 08 03 Hishihara Hiroyuki M 2001 11 14 Isono Naoko F 2000 07 24 Oobayashi Nobuko F 2000 10 02 Banno Yukinobu M 2000 10 05 Shimizu Kazuko F 2000 10 02 Umino Hiroko F 2000 07 04 Sakura Hanako F 2000 11 10 Fa gt Selected file size 0 00 KB Patient Data 23 of 23 displayed Outside free space 1 39 MB am
76. A function with which the instrument automatically starts a serial measurement as soon as the instrument is best aligned and in ideal focus e Auto tracking A function with which the instrument automatically controls the up down right and left movements and focusing of the measuring unit e Contact lens conversion value The value that the AR median values or the latest values when the median values have not been obtained are converted into CL values letting the vertex distance VD be Omm CT measurement The projected placido rings on the cornea are captured analyzed and a map is obtained which represents the corneal curvature and distribution of refractive powers e KM measurement A placido ring image projected over the cornea is captured The captured image is analyzed and corneal curvature radius in the 3 mm dia zone on cornea the direction of the steepest meridian and corneal astigmatism are obtained e Limit Mark lt LIMIT gt sign and an arrow which represent a direction appear on the touch screen panel when the alignment light goes out of the working range of the auto tracking e PD Abbreviation of Pupil Distance which is the width between the right and left pupils e Power saving mode If there is no operation for more than a set number of minutes of latent operation a dimmed title screen appears which is the power saving status of the instrument Touch the touch screen panel or the keyboard t
77. ANA eiseres eiia aa aai 5 85 5 7 1 Outputting numerical data from a map Save Map Information 5 85 5 7 2 Outputting map images Save Map Image enssssssseenesssssssseerrssssssssssseeeees 5 87 5 8 Editing Detected Edges Tools nssesssooennssssssssseeresssssssecerrsssssssseeeersssssssseeeeesssss 5 88 5 8 1 Entering cde cdit Mode uber tanacrn ube vars nrn o Rani EEN 5 88 5 8 2 Adjusting a curved edge Move icswsessisnacasnictawstsssnerealncssinesnidvenacntsstnassaereelnes 5 89 5 8 3 Moving an end point Extend trssstsscdeheseoedanscracupionwoutansdsacts ese eteyuensocanbespsedauces 5 90 ISFE lome AOA COSE ee E EE EEE E ES 5 91 3 8 5 Erasing edges PLASC sicnccsnstesaceneiawteowiaetatonciadlauweutoratamebeipconuanminamateiausimloratanate 5 92 INS E AE E IEA ARTE E EA PEN IE AOE EAN EEIE ERE 5 93 3 9 l etl parane Fels SOOS J eisoes E E rE rE 5 93 3 9 2 S ttng date and UME saan carrorrdesanesnnsarnerededumasnnsainorreutieesthen E inei er ernis 5 100 5 9 3 Selecting whether or not to assign a patient ID automatically eee 5 101 310 F rmatine a Floppy DISK acacia sesusssssessasnanceoses riore E En Er OA E NEER nS 5 103 5 11 Transmitting ZS ZC and ZA Data to an Auto Optometry System cceeeeeeeees 5 105 6 TROUBLESHOOTING GUIDE cacesaceacessaisnedsscsessussdsensnenssscsusacssaedssesscaieadasuseisscesessciss 6 1 Page 7 MATNTE NANCE a saacancnsassesessacetesueessecessesstcavecsssestacscseeseeseee
78. Adj Adjustable Amount of misalignment between the corneal vertex during CT measurement and Com Common al SEI in that during REF Dakai eat a Number Increment 1 20 86 1 74 90 Pyr 0 14 measurement Angle C L 1 54 C L 1 54 Dist 0 00 0 Commenit m comment See the footnote on p 5 3 Enter on the Edit Exam Information screen Amount of misalignment peal l l 0 lt Amt of misalignment lt 0 3 Green Values calculated from the data over 3 mm dia and 5 mm dia circles 0 3 lt Ant of misalignment lt 0 4 Yellow From the top item 0 4 lt Amt of misalignment Red Internal astigmatism in the direction of the steepest meridian Angle Internal astigmatism in the direction of the flattest meridian Angle Reading setting of CYL mode CYL Difference between the internal astigmatism between the steepest and on the Settings screen E a ee flattest meridians Internal Internal Data is shown in yellow if no pupil outline is obtained astigmatism astigmatism increases total counteracts The sign of the Cyl of the Internal OPD map is determined by the formula Not displayed astigmatism total Cc Ci Co A calculation may contain an error c astigmatism a a 2S Internal Intraocular Cc CYL of the Refractive map Ci CYL of the Internal OPD map Co CYL ao astigmatism astigmatism of the OPD map C represents a vector COuMeracis increases tota o l total astigmatism This
79. Confirm the setting on the Database Backup dialog and then press on Ordinarily maintain the factory setting as shown on the right Ordinarily the Differential option should be selected Select the All option to make a new backup copy of data just after changing the storage location for the backup data The message encouraging the operator to insert a backup disk appears Insert the disk of a displayed volume label disk name and press OK Data backup is performed If one disk cannot hold backup data to be saved the message requiring the operator to insert a new disk appears Write down the volume label on an adhesive label of the disk and insert the disk When data backup is completed the message Database Backup is completed appears Press OK This is the end of the backup procedures Patient Selection Map Selection j Sex Group Last Exam Da viewt s 000001 Asahi Noboru 2000 06 24 AXOPD 2 000002 Umino Haruka 2000 06 27 eee 000003 Hoshino Shizuka 2000 08 03 C View2 rar 000004 Huzie Mamoru 2000 07 18 WF 000005 Ueno Madoka 2000 07 19 F view E 000006 Kurati Tamae 2000 07 19 000007 Kino Toshiya 2000 08 03 WF6B 2000 08 03 2000 08 03 2000 07 24 2000 10 02 2000 10 05 2000 10 02 2000 07 04 2000 11 10 2000 07 04 2000 07 04 z gt Patient Data 20 of 20 displayed jSlsleBe a 000008 Kawai Kazuki 000009 Hishihara Hiroyuki 000010 Isono Naoko 000011 O
80. E ine aa A E gt Checks all the aberration component boxes gt Deselects all the aberration component boxes 4 Press 3 again Message The Message dialog is displayed p QN z a Do you save the entry name with the settings ee e MMMMMMMMMHM MHW 777Z7ZZHHZH2VX ZHHHZZ MNMMMMM M M MMM ewM 5 355 5 Press Yes The Zernike Coefficient Selection dialog is displayed again The set group will be entered 4 The set group will be entered and the screen returns to the Map View Settings screen An entered group name will be shown in yellow on a map button Pressing returns to the Map View Settings screen without the set group being entered Modifying an already entered group Aberration components included in an user entered group shown in black may be changed However factory entered groups shown in blue may not be modified 1 Press v of the Coefficient Group Name field Entered groups are listed 2 Press a group to be modified to select it 3 In the Zernike pyramid only check R e kd A gt i aberration components to be displayed on a D ptr rete color map Sobre Me 0 Ro D O i R J iss 16 f i7f 18T 19T 20 4 Pr f E BEBE CSS E r aT ri B o 32 L RE E 35 The screen returns to the Map View Settings z E EEO J 36T 37I 38T 4 oe 42 43T A screen Be Re ieee ay Shes aes 4 6 8 nn p oa The selected group
81. Elevation Scale in the bottom of the display is Sliding the slider rightward enlarges an image in the used to change the magnification in elevation EEO e EEN The Elevation map is displayed in either of three display modes Wire Frame color 2D color 3D The display mode can be selected for each individual map Wire Frame Map title Measured eye Measurement date and time Exam No Magnification elevation Color scale Also functions as a vertical scroll bar Press or move a finger or a pen along the scale to use the scroll bar Represents a specified color scale rt Norm Normalize hans Indv Individual Pressing here permits you BFS Radius of Best Fit Sphere as the reference sphere mm Com Common to change a reference Area to which Best Fit Sphere is applied Number Increment sphere tba Adj Adjustable Com Common Number Increment nial pini La iA J if If the Hidden Line option is checked the reverse side of the wire frame 1s invisible io amio Sr p n aE A de n 4 4 1 When Hidden Line is checked 5 6 AU eee AAAA Color 2D Represents height distribution in colors The right side of the map corresponds to the 0 direction and the upper side of the map corresponds to the 90 direction Measurement date and time Map title BzamNo Measured eye Applicable area of Best Fit Sphere Vertex of Best Fit Sphere This mark moves in accordance Small
82. K CT mode pressing also saves measured results into the database automatically When the measured results have been saved the button changes into ie If a patient is not selected or the patient s name has not been entered prior to measurement the Select Patient dialog opens To print the measured results and save them in the database select a patient or enter data of the patient and press ox To print the measured results without saving them in the database press ancl NOTE After measurement is marked by a small circle in its upper right g This shows that the measured results have already been saved in the memory temporarily Printout of the measured results is possible when the button is shown as or KEN After printing former data in the memory will automatically be cleared when the next measurement has begun Do not touch the printer paper while the printer is working Inconsistencies in density of the printout may result If the measured data of only one eye has been measured or if the performed measurement type is different between the right and left eyes the warning dialog is displayed after or is pressed Wain x Only one eye has been measured inthe measurement modes and data of only one eye has been obtained Are you sure you want to print the data Cancel To finish measurement and print out the measured data gt Press the button To continue measurement without printing out the measured data gt
83. M mM u 0 WM 4 6 4 Switching between the right eye and left eye A displayed color map can be switched between the right and left eyes Two switching methods are available Switching the eyes of all displayed maps and switching the eyes for each individual map The switching of eyes is available only when exams of both eyes are saved with the same Exam No Switching the eyes of all the displayed maps Press on the Map View screen Eyes are switched throughout all the displayed maps However when both left and right maps are simultaneously displayed either the right eye or left eye map only will be displayed Switching eyes for each individual map EE E O A Press the measuring eye indication Right 40 or Left on a desired map in the Map View screen The eye is switched in the map it 45 il SIH E S 44 29 be ve 42 64 7 92h 17 dk 1 68 0 50 Comment NOTE e Switching of eyes on the Map View screen is temporary The eye will be reset back to the preset ones once you select another patient or turn OFF the instrument LAO OO O O OOOO OOO OOOO A 40 4 7 Printing 4 7 1 Printing measured data After the completion of measurement the printout of the measured values is started by the built in printer by pressing or on the measurement screen The converted values from CT measured results into keratometry values and Auto Refraction measured values are printed out In the AR
84. Map Set field 5 Re assign a map set to View 1 See Steps 3 to 7 of 5 2 1 1 Assigning an entered map set to View1 View or View3 6 Press Ue The screen returns to the Patient Selection screen or Map View screen Zerr OUAU AAA AAA eS 49 5 2 2 Setting a color scale A color scale can be specified for each individual map type 1 Display the Map View Settings screen Map View Settings Press on the Patient Selection screen or A S Map View screen ws 1 2 Scale tab Axial Axial oH 2 Press the Scale tab Soy ia Seer Map type tab 2A E Axial Instantaneous 3 Select a map type whose color scale is to e Meats lo set using the map type tab on the left side of minstep icie oarminsten 7 We Seeger the screen p common CT A Axial Instantaneous al EL Z E P mosten CT R Refractive Target Refractive E E OPD OPD A WF Wavefront Total Wavefront High Order Wavefront Group Elev Elevation For resetting displayed specifications Zgrph Zernike Graph to the default ones For saving displayed specifications Int OPD Internal OPD 4 Set the color scale 1 Select a color scale with a radio button to and enter values as necessary Relative color scale with which an incre 2 Relative color scale with which an increment and intermedi ment and intermed
85. Mod sssi S E sa recduusediaes 4 6 4 4 Measuring in the ARK Mode cc ceeesessseceeceeeeeeeeesecceeceeeaeaessseeceeeeeesauaaseeeeeess 4 7 4 4 1 AR and KM measurements capes saecanc oso ducmesuatcenesssyacnieiamemstsvstanaseaearsmeobueneiacgusea 4 7 442 AR meas reMment cossiensa nnna as Re iE nan er aie i anas arii e 4 13 4A KM measurement gan sacinccsererncenSesesetaesnvenusladectdsnsaennerladettinnasesuasbecnetdenssaauenbuies 4 16 4 5 Measuring in the ARK CT Mode s ssiiiicsssriiisniscnis issendu ncr iinnat iii 4 18 4 5 1 REF and CT measurements xs sncoescopcsunrasannesionncconystanmnstapncuuateancepeasesnepesionsaannte 4 18 hes De REF measure Oisein a ed alae ascue a cua genga sms 4 28 Bed Go e Wie GEE ace yan seve ones sacasaesnmradsessactesasinn edna A TEA TET 4 31 4 5 4 Measurement using mydriatic agent during REF and CT measurements or REF measurement 0ccceceeeeeeeees 4 34 4 0 Viewing Maps Map VIW J cacancsontosaasoadesmessadeecatasseimesspiessasnasoseesspnearasessaanissnuerraseeseunes 4 35 4 6 1 Displaying a map via the measurement screen oeneeseessssoeeerssssssseeerrssssssseee 4 35 4 6 2 Retrieving an exam from the database and displaying itin a map 00008 4 36 4 6 3 Displaying a map on another map set nnnnssesssseoeeeesssssssseeerssssssseeeresssssssees 4 38 4 6 4 Switching between the right eye and lefteye sicicessevnesciaeanecenratnorecieasesunbuvensseinans 4 39 At
86. MumMMMM 4 Measuring the eye in the ARK CT mode Viewing measured data displayed in a map Saving the measured data in the database 4 2 1 Power ON Vv Step 4 p4 19 45 1 REF and CT measurements 4 5 2 REF measurement 4 5 3 CT measurement 4 6 1 Displaying a map via the measurement screen 4 7 1 Printing measured data The measured data is saved in the database simultaneously with the printout of the measured data 4 2 3 Power OFF Recalling the measured data from the database and displaying it in the map 4 2 1 Power ON 4 6 2 Retrieving an exam from the database and displaying it in a map 4 2 3 Power OFF 4 30 f f M MM MM q qqi qZi ZHHTHHZZHZ xt 72 C_ gt WWMmMmMMmMM 4 2 Power ON and Power OFF 4 2 1 Power ON 1 Make sure that no floppy disk is inserted in the disk drive OPD Scan 2 When using an optional color printer turn it ON 3 Turn ON the power switch of the ARK 10000 Windows starts up and then the ARK 10000 also starts up NOTE e Because the ARK 10000 has Microsoft Windows installed the instrument may be started in Safe Mode or Scandisk may be accidentally initiated on startup In such cases follow the instructions below If the instrument starts in Safe Mode gt Turn OFF the instrument after startup and restart it See Restarting the instrument in Safe Mode p 4 4 If the instrumen
87. Na 1 3375 Form Letter 8 5 x 11 in NR 1 3760 Map Color zernike Analysis Step vD e025 Coo paana Zone eo mm c 0 125 C 10 5 Text Radial Order 6 Axis 13 75 Background Image 4 15 0 File C BackBitmap Gradation1 BMP Pall C5 C 16 5 CYL Mode eQis fe C Mix C e Q C eS PSF Show For displaying various settings QValue Analysis 60 mm of the instrument Des O For displaying the software For saving the displayed version information specifications 3 Change the displayed parameters Default Printer This is for setting a color printer The settings will be applied to the Select Printer Device dialog as default ones when printing a map Driver Used to specify a color printer Form Used to set a printer paper size AR Measurement This is for setting an indication increment for AR measured values Step 0 25 0 125 0 01 Factory setting 0 25 D This is for setting indication increments for SPH and CYL values The increment is also applicable to keratometry data at the time of printout EEE ZAU OUA RRUA AAA AE VD 0 0 10 5 12 0 13 75 15 0 16 5 Factory setting 13 75 D Corneal vertex distance Distance from the corneal vertex point to the posterior surface of a lens Axis 1 5 Factory setting 1 Indication increment for Axis measurements CYL
88. O 00 0 Pwr 44 76 7 54 Dist O 00 0 Cornea Index n 1 3375 Ax Ins n 1 3760 Ref TRef Q 6 0mm E M MMMMMMMMMMM 7T7 qZHHHHT HHZ 7T T7T77W M M MMM MqmMwM 5 1 9 Wavefront High Order map This map shows specified high order components from the third order to a specified order up to the 8th order in the Zernike pyramid that are extracted only from the Wavefront Total map in wavefront aberration analysis using Zernike polynomials This map shows aberrations which cannot be corrected by spectacles This mark moves in accordance with a value at the cursor position Represents a specified color Map title Measured eye Zit 1 10 2 00 scale 01 00 i 2h Norm Normalize 44g Indv Individual 1 80 Com Common Number Increment Adj Adjustable 1 0 I l a l aia Com Common WF error 0 342 um Number Increment fone 6 0 mm Order 6 Comment Comment Input on the Edit RMS wavefront error Exam Information screen Zone Analysis area Diameter mm Measurement date and time Exam No __ Cross cursor Can be moved to a desired position Values at the cursor position is shown in the lower right corner of this map Indicates values at the cursor position Wavefront elevation Distance from the center to the cross cursor Angle Amount of misalignment Distance between the measurement axis and corneal vertex Angle See the footnote on p 5 3 a
89. O S 8 5 8 2 Adjusting a curved edge Move This tool is for aligning a detected edge that is shifted from a captured placido ring 1 Enter the edge edit mode See 5 8 1 Entering edge edit mode Detected edges 2 Trace an arc in a range of a detected edge that is shifted from a captured placido ring image The designated range of the arc turns red To deselect the designated arc press to return it to blue 3 Press Ay The arc in the designated range turns into a yellow dashed line with a cyan x at the range midpoint 4 Move the cyan x to an edge of a captured placido ring 5 Make sure that the yellow dashed arc aligns to the approximate captured placido ring and press ox The detected edge will change its curve to that of the yellow dashed arc Press not to modify the selected arc as indicated by the yellow dashed arc 6 In the same manner align other substantially shifted edges to the appropriate captured placido ring 7 Press to exit from the edge edit mode The display returns to the confirmation screen of detected edges 8 After confirming the edited edges press to exit the confirmation screen For data retrieved from the database designate how to save edited data from the Confirmation dialog button gt The edited data is written over original data The original data will be deleted button The edited data is saved with a new Exam No assigned button gt The
90. OO OOOO A 26 Pressing displays the Placido Intensity dialog Press to return to the measurement PTE aes screen and perform measurement again Le If an iris of a blue eye etc appears too bright on a captured image adjust the illumination brightness for capturing with the dialog The adjusted brightness takes effect only for a single measurement just after the brightness adjustment The placido ring will be illuminated for about 15 secs before the second measurement to prevent the patient who are surprised with the suddenly illuminated placido ring from blinking accidentally Itis possible to perform the measurement even while the placido ring is illuminated or after the placido ring has shut off after approx 15 secs Placido Intensity Peer rere eee eee eee eee eee eee eee eee te On the touch screen panel the latest AR values and simulated KM values are shown Right Left Latest values The Error No sign The measuring eye is blinking may be shown if an error occurs dur ing REF measurement AR 3 Right KM 1 REF measurement count S C A S C A Latest AR values Right eye Left eye 1 25 0 75 178 1 25 0 75 178 RI R2 A RI R2 A Simulated KM values 7 94 7 59 170 7 94 7 59 170 Pressing g clears the displayed data NOTE e The sign E may be shown next to the latest AR measured values obtained in REF measurement and displayed in the lower portion of the measure
91. Only REF measurement objective measurement of refractive error takes place NOTE e To obtain reliable measured values be sure to read APPENDIX C OBTAINING RELIABLE EXAM DATA before examining a patient s eye for the first time Turn ON the power The ARK 10000 starts up and the measurement screen opens Set the measurement mode to the ARK CT mode Every time the measurement mode button the second button from the left in the bottom is pressed the measurement mode is alternately switched See 4 3 Selecting the Measurement Mode Set the measurement type to REF ES Every time the measurement select button in the lower left corner is pressed the selected measurement type will be switched alternately The symbol in the measurement select button represents the currently selected measurement Type in a patient s ID and patient s name See Step 4 of 4 5 1 REF and CT measurements Prepare the patient See Step 5 of 4 5 1 REF and CT measurements NOTE e To relax the patient explain the following before measurement This instrument measures your eye to find which kind of lens fits you The weak infrared ray used in the measurements does not harm your eyes 6 Perform alignment and focusing See Step 6 of 4 5 1 REF and CT measurements 4 29 LMM MMMM 7 7q 7qqizZHHIHHHHAHQHMM MMM MMMM M mnM MM r NOTE e The dotted two line circles on the me
92. PD Station cannot be edited with the ARK 10000 See 1 6 6 Modifying the settings of the ARK 10000 in the OPD Station operator s manual for the setting of the ARK 10000 when connecting it to the OPD Station If the ARK 10000 software is upgraded to this version check the setting of Server name of Link OPD Station See 1 6 6 Modifying the settings of the ARK 10000 in the OPD Station operator s manual If the setting of Server name is incorrect pressing the Print or ID buttons of the ARK 10000 connected via a LAN does not display the Select Patient screen If this condition appears see 5 1 Installation Failures in the OPD Station operator s manual 4 2 LI MAMMMM 7T7TiHH CTVx7AlTATT T 7XZ7ZW Wm M m M wmMmmMm M r 5 Prepare the patient 1 Clean the forehead rest and chin rest with a clean cloth such as gauze or cotton dampened with disinfecting agent When a stack of chin rest paper is mounted on the chin rest remove one sheet of the paper 2 Instruct the patient to remove the glasses or contact lenses if wearing and to sit in the chair NOTE e tis recommended to have a patient who always wear contact lenses wear glasses for about one week before measurement in order to obtain accurate results 1f he or she wears contact lenses in daily life This is to measure a restored corneal shape from a deformed one which was fit under contact lenses Overrefra
93. PUM sare aE E ERE E E EE E EEEE E ET EEE 4 40 A fll Pantune measured dala sierresnrsrnenan e A EN AN TNE 4 40 a AE D E A E E E E EA E E 4 42 dS Saving IWRC AG UDC ORIN gasses cap tececudynceandendecuneduarcaneinteesieel nsere A EEan dA Naai 4 43 5 HANDLING ADVANCED FUNCTIONS MORE EFFICIENTLY 000 5 1 oe OO AIG e esc neo nstnarr scent ee case ers tea cme qansarsaahn os eaiegans gi bone naeameaeunssahaweh lt xeacewases 5 2 Mc PAL IOI e E E E 5 2 5 1 2 Instantaneous Map s s1acsecdescocraudae siemedemevuven sae teasnesavedeasatmedenersyseeasantecsacusyeids cata 5 3 Dull Rea ye T eea E 5 4 Dollie ICV ON PMA e a E E E A E E 5 5 SLOE e E TEE E 5 9 aN OAD TMA e E E E E R 5 10 Dalai Tarzet Refrachve WIAD sssrinin inni nn ane R ni n aaia 5 11 Dales Mendi OPD MA eer a S 5 12 ILO Vy AC EOE Hi h Order TaD egos cs cce crane rnEeE ONET EEEN 5 14 5 1 10 Wavefront Total map 35 pesincrnadessssbtastaerbadenness cesimoriasysumepencaccbeusimessedaanosbeqouness 5 15 3 1 11 Waveiront Group Map sesser a e EEN aa 5 16 eddy ArKO GLAM r E A E EA E E E E 5 19 IALT RM SLAM e o E EEEE 5 19 SA AAOS E TS ADIN EAEE P E E cesta 5 22 al lle I RCS As ratoenconsacnseeuioenamieune mnapinautsiannistnepsudannapaienemacinioimtehutunonstaan 5 24 5 1 14 Table at the bottom of the Map View screen snnnnessssssssseeressssssssserssssss 5 24 5 2 Specifying Maps in Advance Map View settings scscscvenstesacesrssneneedusncavsncomuceeviens 5 25 5 2 1 Setting
94. Press e ID exists dialog The Message dialog appears or press twice the Same patient Are You sure You want to edit the patient information Zerr A AAA 5 73 2 Press Yes 3 Change the patient ID or patient data and then press 5 Inside In the hard drive database Outside In a floppy disk The Message dialog appears 4 Press Yes button changes to o 5 Check the patient ID or patient data again and press o The Message dialog appears 6 Press to start savings Same patient ID exists 000018 000021 Last Name Banno Nakao First Name Yukinobu Arisa Middle Name Date of Registration 06 24 2000 08 27 2000 Sex M Address Address2 Different Item 4 Message Outside Inside Last Name Banno Nakao First Name Yukinobu Arisa Middle Name Date of Registration 06 24 2000 08 27 2000 Sex M Address Address2 ds af Different Item 5 Are vou sure you want to export both patient and exam data as a new data EKE ZAA eee A AAAA Setting specifications for data output format 1 Open the Patient Selection screen Press on the measurement screen 2 Open the Database Settings screen 3 Open the Export Settings dialog Export Settings Press s C Set each time of exporting 4 Select either the Set each time of exporting File Format option or the Set now option C 1 09D or earlier V1 1
95. Single Fogging box is checked throughout REF measurement fogging is maintained throughout repeated REF measurements 9 Measure the other eye in the same manner 10 After completion of measurement press or eal Measured results are saved in the database simultaneously with printout See 4 7 1 Printing measured data and see 4 8 Saving Measured Data When using the TED Torsion Error Detection function when performing refractive surgery using the EC 5000 To apply the data measured by the ARK 10000 to the TED Torsion Error Detection function with the EC 5000 a proper iris image should be obtained in CT measurement Check if the iris image obtained in CT measurement is usable and applicable to the TED function on the confirmation screen Step 8 as instructed below 1 Check the TED Check check box in advance on the Settings screen See 5 9 1 Setting parameters 2 Perform CT measurement and check the baok Peer Check the color jana cae ie Maibach Green background gt Usable Green background Applicable to the TED function Red background gt Not usable Red background gt Not applicable to the TED function White background The TED Check Press and perform CT check box is not checked measurement again NOTE e The confirmation result of whether the data is applicable to the TED function or not is not saved in the database PAAA AAO G GGO OOOO A 28 4 5 2 REF measurement pd
96. a balloon watch the center of it without straining Try to open your eyes as wide as possible 2 Manipulate the joystick to display the pial Examination a patient s eye on the touch screen panel TT 7 11 By moving the joystick to the right or left A pulling it forward or pushing it back the main body is moved to the right left backward and forward By turning the top of the joystick the measuring unit is moved up and down Align the eye position to a measuring point ARO Rit Hoe with right left up and down movements ee Adjust the focus with back and forth 2657A E movements T7 ee Focusing indicator Target Alignment light When using the auto tracking function 3 Manipulate the joystick to move the alignment light closer to the target f As the alignment light comes closer to the target ea the measuring unit will automatically be aligned to the measuring point alignment and focuses on the eye focusing by the auto tracking function NOTE e The auto tracking function does not work unless the alignment light is at around the center of the measuring field Ifthe alignment lightis off the center manipulate the joystick to move the alignment light to the center When the position of the alignment light goes outside the working range of the auto tracking a limit mark the letters LIMIT and arrow appears on the touch screen panel In such a case either move the joystick slightly in the directi
97. a map to be changed The Select Map Type Pattern dialog opens 2 Press a map type change button in the Map Type area Map types are listed 3 Press a desired map type to select See 5 1 Color Maps Map title D SIH E S 44 29 T AA ve 42 64 7 92017 dk 1 68 0 50 Comment Select Map Type Pattern Map Type Option Angle Scale Cross Cursor Grid Eye Image Keratometric Pupil Contour Rings Border Line OK cance Ayal Instantaneous Refractive Elevation Eyelmage Map type change button OPO Target Refractive Internal OPD Wavefront HO Select May Type Pattern Wavefront Total p Type Option Wavefront Group M Angle Scale ZernikeGraph Cross Cursor Difference Grid Eye Image Keratometric Pupil Contour Rings Border Line OK cance ERE ZAU UAA RRUA AAA E 4 Select overlay options Select Map Type Pattern From the Option area check overlay options p Map Type aa M Angle Scale to be laid over the map F Cross Cursor See Overlay options p 5 59 Keratometric I Pupil Contour I Rings I Border Line Angle Scale Protractor like angle scale Cross Cursor Dragging the cross cursor displays refractive power Pwr corneal curvature radius Rad distance from the center Dist and Axis at the cursor position Grid Se
98. a from another instrument outputting of data to another instrument editing of data and backing up of data are explained As for the procedures for saving measured data into the database and those for retrieving an exam from the database see 4 8 Saving measured data and 4 6 2 Retrieving an exam from the database and displaying it in a map 5 6 1 Importing external data into the database Import Output data on a floppy disk from another ARK 10000 unit is loaded into the database for use 1 Insert a floppy disk into the floppy disk drive 2 Open the Patient Selection screen Press on the measurement screen 3 Press Pe Import Outside To Inside ST The screen is switched to the Import Outside a re e 000020 Nakano Arisa 2001 1 1 20 to Inside screen 4 Press to select a patient line to be loaded Selecting a patient lists his her exams in the bottom area of the screen Pressing selects all the patients from an external source Selected file size 0 00 KB Patient Data 1 of 1 dispiayea Inside free space 2 94 GB 5 Press the exam data to be loaded Pressing a patient line in Step 4 automatically Import Outside To Inside e Import Export A selects all the exam data of the selected patient at To load desired exam exams only press the Se a E E data line s to select In addition pressing the second exam and after while holding the key or key down se a makes it possible
99. afety hazards or damages The definition is as follows caution Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury or a property damage accident Even cases when N caution is given may result in serious injury under certain conditions Be sure to observe the instructions for N CAUTION 2 1 Storage Transportation and Installation NCAUTION e Never store the instrument in a place where water may splash or poisonous gas or liquid is present e Never store the instrument in a place exposed to dust direct sunlight or hot and humid surroundings e Never pull the power cord to move the instrument An injury or a failure of the instrument may result To carry the instrument to another location its base should be held from both sides by two persons Never hold the forehead rest main body or measuring unit If the instrument is carried only by one person or a part other than the base is held an injury or a failure of the instrument may result e To transport the instrument store it in the attached shipping carton without locking the measuring unit to the base A breakdown of the instrument may result e Store the instrument in a place where it can not be splashed with water Exposure to water may result in an electric shock or a failure of the instrument e Install the instrument on a stable and level place which is not subjected to vibration or shock Incorrect
100. ally performed when the main body is moved with the joystick and the eye to be measured is displayed on the screen When using the auto shot function AN REF measurement takes place automatically when the instrument is best aligned and focuses on the eye After repeated REF measurements until median values S C A are obtained by taking the median of the first 3 usable values the letters REF in the upper right of the screen change to the blinking letters CT Instruct the patient to slowly blink once or twice to make his her corneal surface smooth and optically clear After confirming that the instrument is best aligned and in focuses on the eye press the start button to start CT measurement 4 25 ZZO AAAA AAAA When not using the auto shot function REF measurement takes place when the start button on the joystick is pressed Repeat the measurement until median values S C A are obtained by taking the median of the first 3 usable values 4 After repeated REF measurements until median values S C A are obtained by taking the median of the first 3 usable values the letters REF in the upper right of the screen change to the blinking letters CT Instruct the patient to slowly blink once or twice to make his her corneal surface smooth and optically clear 4 After confirming that the instrument is best aligned and focuses on the eye press the start button to start CT measurement The captured
101. ample of disk management Conditions Storage disk used for backup 250 MB Zip disk for data backup Storage disk used for saving the database Internal hard disk Number of days 5 days a week From Monday to Friday Number of patients 20 patients day Number of eyes Both left and right eyes x time 2 eyes patient Approx 2 4MB Limitations on use A storage disk whose occupied space is already 90 or more should not be used for adding the backup data of a new patient Example Lapsed Media type days Backup st day OPD BAK 0001 Mon a 20 occupied e es 5th day OPD BAK 0001 OPD BAK 0002 a Fri 90 occupied 10 occupied th day OPD BAK 0002 OPD BAK 0001 Mon 30 occupied 9th day OPD BAK 0002 OPD BAK 0001 Thu 90 occupied 10th day OPD BAK 0003 OPD BAK 0001 0002 Fri 20 occupied a OPD BAK 0004 10 occupied PAAA AAO O GGG O GOOO OOOO D 6 D 5 Index Backup In this section the procedure for backing up only the index data using an external storage device removable storage disk as designated on the Select Database Directory dialog is explained If the internal hard disk drive or the hard disk drive of the computer connected to the ARK 10000 on a network see D 4 Ordinary Backup D 5 1 First time backup 1 Press on the Patient Selection screen to display the Database Backup dialog 2 Confirm the setting on the Database Backup dialog and then press on
102. an electromagnetic site survey should be less than the compliance level in each frequency range Interference may occur in the vicinity of equipment marked with the following symbol 2 NOTE 1 At 80MHz and 800MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people a Field strengths from fixed transmitters such as base stations for radio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy To assess the electromagnetic environment due to fixed RF transmitters an electromagnetic site survey should be considered If the measured field strength in the location in which the ARK 10000 is used exceeds the applicable RF compliance level above the ARK 10000 should be observed to verify normal operation If abnormal performance is observed additional measures may be necessary such as reorienting or relocating the ARK 10000 b Over the frequency range 150kHz to 80MHz field strengths should be less than 3V m ZrO UUU A AAAA EEE Recommended separation distances between portable and mobile RF communications equipment and the ARK 10000 The ARK 10000 is intended for use in an electromagnetic environmentin which radiated RF disturbances are controlled The customer or the user of the ARK 100
103. an item name on the upper part sooees Hoshino Shizuka f dL of the screen ID Name Sex Group Last Exam Date once sorts the data in ascending order within the item field Pressing the item name once again sorts the data in descending order The V Patient Data 3 of 3 displayed ascending order or A descending order next to an item name indicates the item on which the sort order is based To search for data use the Search Patient Data dialog See Search Patient Data dialog p 3 13 If a patient has not been entered yet gt Enter the patient as new data Press Q Input Patient Suseosssesossosseood The Input Patient dialog opens Enter SystemID 000004 Patient ID and Name using the keyboard PatientID Select between Male and Female for TE PAm Sex with the radio button Enter Birthday Name using the keyboard The system ID No is e Male Female initially entered in the Patient ID box Birthday poososi4 06M4 Q Itis possible to disable the automatic patient ID assignment function See 5 9 3 Selecting whether or not to assign a patient ID automatically J MMMMWMMM MMMM Mqq q qx ZzZzTZTAAAHHHMMMMMM MN M M mmmMMmMMM r_ 4 20 NOTE e Use an unique ID such as a carte number If an already assigned Patient ID is entered the message The input Patient ID already exists is displayed and the entered Patient
104. ar the measured data saved in the memory If the measurement mode button is pressed on condition that the measured data is ed in the Fy Ifyou switch the mode the measured data will be cleared memory on condition that or button is lt P Are you sure you want to switch the measurement mode displayed the dialog is displayed asking the operator if he she is sure that he she wants to switch the measurement mode after erasing the measured data in the memory button The measurement mode will be switched button The measurement mode will not be switched 4 7 lt M MMM 77T77T7HHHHHHAAHMM MMMMMM auMmwMJui 4 4 Measuring in the ARK Mode In the ARK mode refractive errors of the central part of the eye and corneal curvature radius are measured The mode should be used for printing the AR and KM measured data without saving them in the database In the ARK mode two types of measurement are available The measurement select button allows you to select both AR measurement and KM measurement AR measurement only or KM measurement only ies arbor Merny arn a 4 4 1 AR and KM measurements measurement AR measurement 4 4 2 442 AR measurement measurement KM measurement 4 4 3 KM measurement Manual PD measurement Only when the 5 5 Manual Pupillary Distance Auto PD box is PD Measurement checked on the Settings screen AR measurement In the same manner as an auto refractometer the ref
105. as the Smolek Klyce scale and the same 26 colors Peripheral diopters in the 9D to 101 5D range are shown in wider increments The absolute color scale can only be applied to the Axial Instantaneous Refractive and Target Refractive maps Color For setting color schemes and the number of colors available with the color scale ISO The color schemes are in conformity with ISO recommended ones Specify a color number in the entry box to the right of the ISO radio button 15 to 25 color schemes Red gt Green gt Blue NIDEK gt The following color schemes are available Designate a color number in the entry box to the right of the NIDEK radio button White gt Red gt Yellow gt Green gt Blue gt Violet 9 to 51 colors Smolek_Klyce Provides the same color scheme as that of the Absolute color scale Pink gt Red gt Yellow gt Green gt Blue gt Navy blue with a fixed color number of 26 Scale Unit setting of the color scale mm Curvature radius um or Diopter Refractive power The set unit is applicable to the Axial map and Instantaneous map only For the other maps the unit is fixed 3 Press on The changed color scale will be applied Green characters under the color scale show the specified color scale Norm Normalize Indv Individual Com Common Number Increment Adj Adjustable Com Common Prt Number Increment ie sitks OS ay 44 29 7 62 ee Abs A
106. asurement screen represent the innermost and outermost 2 mm dia and 6 mm dia zones to be REF measured If a patient s pupil is smaller than the outer circle only data obtained within the pupil is accurate To obtain an OPD map of the entire 6 mm diameter use a mydriatic agent without cycloplegic effects under instruction of a physician In addition if the eyelashes are on the innermost circle the instrument may not perform an accurate measurement In such cases instruct the patient to open his or her eye wider 7 Perform REF measurement When using the auto shot function AW The measurement takes place automatically when the instrument is best aligned and focuses on the eye When not using the auto shot function 4 Press the start button on the joystick REF measurement takes place On the touch screen panel the latest AR values are shown Latest values The Error No sign may be shown if an error occurs Right Left E during the measurement The measuring eye is blinking AR 3 Right KM 0 REF measurement count S C A S C A Latest AR values 1 25 0 75 178 1 25 0 75 178 Right eye Left eye RI R2 A 0 00 0 00 0 RI R2 A 0 00 0 00 O Pressing __g clears the displayed data NOTE e The sign E may be shown next to the latest AR measured values in the lower portion of the measurement screen This sign represents lower reliability of the measured data This sign w
107. atest measured data is displayed in color maps with the map layout of View 1 RS e Used to return to the measurement screen MMMMMW M MM q qq q 7 7_ Z gt q uaAMMMMMM M M na MmmM rv__4 amp 5 4 6 2 Retrieving an exam from the database and displaying it in a map An exam which is saved in the database can be called up and displayed on a map on the screen This allows you to view maps obtained on different dates at the same time and to make a comparison between them 1 Open the Patient Selection screen Patient Selection P Press on the measurement screen in the inse dse m _ _ 000002 Umino Haruka 000 06 ARK CT mode a a a F 7000 0803 C View2 ry 000004 Huzie Mamoru M 2000 07 18 WEG 000008 Kuratl Tamae F 2007n Views El o o 7 000007 Kino Toshiya M 2000 08 03 WFEB 2 Press a desired patient s data line to display oa zooonans O Q 2 it on the maps 000011 Oebayashi Nobuko F 2000 10 02 000012 Banno Yukinobu M 2000 10 05 Pressing an item name on the upper part of the oS ET ie 000015 Sakura Hanako F 2000 11 10 screen ID Name Sex Group Last Exam Date 000016 Umene Ayaka F 2000 07 04 pooo Kouno Miyuki F 200007 ad sorts the data in ascending order within the item ESEE field Pressing the item name once again sorts O ea q S d CE z Rh the data in descending order W ascending order or A descending order on a
108. auesacnseacacesesonecausencenssonacnencuaunenesaeusuaenencneenersenenessenenestencnasensnsenenscssnenonscnenssnenessencnensencnsusencnecscncnees 4 Check a rebuild type to select Check the contents Used to rebuild the database over the currently used Index folder and Data folder Erase the current Use to restore backup data after replacing the instrument with another or after replacing the internal hard disk because of a failure etc CAUTION e Rebuilding the database by selecting the Erase the current option will totally erase the current database Do not select this option carelessly To retain the contents of the current database back up the current database in advance C Erase the current database and rebuild from backup data e After data backup on a storage disk once deleted data from the database can never be recovered even by rebuilding the database with the Check the contents option selected MMMMMMM M MM Mq q x 72Z7 7T7ZZAZxHX1XTZTZ7 H MMMMMM MmnunmMMM MuqmMMMJ S SI 5 Press ol Rebuilding Database If the Check the contents 3 option has been Check the contents of Index and Data folder for mismatching and then rebuild from the current database selected Erase the current database and rebuild from backup data The rebuilding of the database is started and a progress bar is shown cael The rebuilding may take some time Go to step 9 If the
109. ay options 4500 da i 43 00 AT Si AT OF 45 30 45 00 45 30 45 004 44 ith 44 0 45 00 daii 43 00 Angle Scale Cross Cursor d 05 120 N Yoa SIM K S MAT ao p 4264 i7207 Per 0a rA dk 1 68 030 Dist 0 00 0 Angle Scale Cross Cursor Captured eye image Eye Image ro en r ki F kis imeem Ta er Eye Image 45 00 da i 43 00 Af Si AT Di 45 30 45 00 45 30 45 004 44 Alf 44 00 45 0 daii 43 00 AP it Vertex point Red cross Sections i _ lt i 20 TT a a OT eT et dk 1 68 0 50 Grid Maximum and minimum refractive powers and their directions SIM K s 44 20 7 62 ya 07 de Bd iT 920 17 dk 4 68 0 30 Keratometric 5 59 Point of measuring light Black cross 4 13 Checking the Grid overlay option displays a vertex point small red cross and point of the measuring light small black cross as well as sections Because these 2 points are located close to each other the small red cross may overlap with the small black cross and the small red one may not be able to be seen 14 Checking the Grid overlay option displays a vertex point small red cross and point of the measuring light small black cross as well as sections The small black cross represents a point of the CT measuring light axis measuring center in the case of the following maps Axial map Instantaneous map Refractive map Target Ref
110. black dots on an all white background or there may be lit pixels which appear as ones or several randomly placed red blue and or green pixel elements on an all black background This does not represent a failure of the touch screen panel This is due to the structure of the liquid crystal display ACO G O GG AAOC Q n9 2 5 Disposal NOTE e Follow local governing ordinances and recycling plans regarding disposal or recycling of device components The instrument uses a lithium battery mounted on a board inside Follow your local governing ordinances in disposing of the lithium battery since the disposal method differs according to the local government e When disposing of packing materials sort them by material and follow local governing ordinances and recycling plans 2 LO MW N cammMmmMmgmMmn m eMCCoCCCCCCECECCMMM n JM 0WuquMu J J 00 2 6 Labels Right side view Z WARNING Risk of fire Replace fuse as marked Dae qp 32164 M555 A MMMM M MMM 7q7zZzZTZHH x TT TXZ T7ZHW Mn _ MMMMr 2 iY Patient s side view Left side view SERIAL NO PHASE__1 _ FREQ__50 60 icts this device to sale by actitioner Manufactured for NIDEK Incorporated 47651 Westinghouse Drive Fremont CA 94539 U S A CONFIGURATION BY BUUU UUAA RARUA AAAA AA S O NIDEK J a Touch screen panel H Operator s side Touch scr
111. bsolute 42 61 7 Sayan 17 S K 1 5 Smolek Klyce 1 5D Balk 1 66 030 26 Absolute 26 Comment MMMM MMMM M 777zZiZ2ZZHHAHHHHW W qnwM m mMm MMr A 6 NOTE e Changes to a color scale in the Select Color Scale dialog are temporary The changes will be cleared once you select another patient s data or turn the instrument OFF For setting a permanent color scale from the Map View Settings screen see 5 2 2 Setting a color scale 5 3 3 Changing an exam displayed on a map to another exam No For a patient with multiple exams saved in the database it is possible to change an exam displayed on a map to one with another Exam No This is available only when displaying an exam ona map retrieved from the database 1 Press the measurement date and time in a Go 4 Comment desired map on the Map View screen arab The patients Exam Nos and their comments if any will be listed Exam Nos of single eye data only will not be displayed 4 Comment 2 Press a desired Exam No to select 38 00 SIM K s The map of the selected Exam No will be aro 430 7 Bor displayed nay 4261 P92 ye 17 dk 14 68 0 30 Comment NOTE e A change of an Exam No displayed on a map on the Map View screen is temporary The changed Exam No will be reset back to the previous one once you select another patient or turn the instrument OFF 5 64 L MUJ MMMMMMMMM q7xZ HHHHMMMMMM M
112. cations related to measurement the built in printer or data communication can be modified from the Settings screen 1 Open the Settings screen Press on the measurement screen Settings m Measure Print RS232C e e C 0 125 C 105 Finish MDY 2 Change a desired parameter setting com eo E oon 2 3 g i P a n Print No 1D x ce L_ The setting is ineffective The setting BE 2 an 1S effective ae x i ie coal gt Press the option button of a desired value eme em ew oe ees A Print Trial lens Pwr R L IV Send Aberration data etc The button is turned into ee ee ane A 13375 Fin Print Error l Print High RMS Data R 13760 TED Check x i ale oe 3 Press on RL C opios The screen is switched back to the measurement Vins i iL screen Measure Parameters related to measurements It is also possible to set Step VD Axis and Reading from the Other tab of the Map View Settings screen Step 0 25 0 125 0 01 Factory setting 0 25 D Setting of the indication increment of SPH and CYL data for AR measurement Printed keratometry data is also based on the increment indicated VD 0 0 10 5 12 0 13 75 15 0 16 5 Factory setting 12 0 mm Setting of the vertex distance distance betwee
113. ce gt The Difference Map Settings dialog is displayed See 5 2 1 8 When selecting the Difference map 8 For each individual map select overlay options 1 Press the overlay option field next to a map button Overlay options are listed 2 Check desired overlay options See Overlay options p 5 59 Angle Scale Protractor like angle scale Cross Cursor Dragging the cross cursor displays refractive power Pwr corneal curvature radius Rad distance from the center Dist and Axis at the location Cross Cursor l Grid l Bye Image l Keratometric l Pupil Contour T Rings Border Line Cancel Grid Sections 1 millimeter squares vertex point and a point of the measuring light axis Eye Image Patient s captured eye image Pupil Image Pupil image during REF measurement Available on the OPD map only Keratometric Respective maximum and minimum diopters and their directions over 3mm dia 5mm dia and 7mm dia circumferences Pupil Contour Pupil outline For the Eye Image select Photopic photopic pupil image or Mesopic mesopic pupil image In the case of the OPD map Target Refractive map Internal OPD map Wavefront High Order map Wavefront Total map and Wavefront Group map the area outside the pupil outline 1s shaded Rings Detected placido ring edges
114. ce in refractive powers between the flattest meridian and the steepest meridian Curvature radius mm About SIM K s A general keratometer measures the central cornea 3 mm dia zone It also calculates curvature radiuses of each steepest meridian and flattest meridian which cross each other at right angles and corneal refractive powers With a closer method SIM K s values are curvature radiuses and refractive powers along the meridians which cross each other at right angles calculated based on the data in a 3mm dia zone of the Axial map About color scale The Axial map color codes corneal refractive powers or curvature radiuses The higher the refractive powers become smaller curvature radiuses the warmer the colors on the map become The lower the refractive powers become larger curvature radiuses the cooler the colors on the map become MMMMMW MMMMMM 7T7zZ iMMMMMMM wmM MMmMmMMty 5S 5 1 2 Instantaneous map The Instantaneous map shows corneal curvature radiuses calculated from shapes between infinitesimal intervals along meridians whereas the Axial map shows corneal curvature radiuses calculated with respect to a measuring light axis For this reason the Instantaneous map reflects more partial corneal curvatures shapes than the Axial map This Instantaneous map is also called a Tangential map The conversion equation into corneal refractive powers is the same as that for the Axial map Ra Axial radius mm Ri Insta
115. cessary for diagnosis The total of the retinal exposure dose must be carefully watched for infants aphakes and persons with diseased eyes who are at greater risk when other ophthalmic instruments with a high level of radiance are used in conjunction 2 6 LKtyyIIIIWGVGGGFyy j mm_ mtltlrl G ueu MM x CAUTION Spectrum output of all light source during AR measurement maximum light intensity ARK 10000 S N 258 lrradiance 4 W cm nm 300 400 900 600 700 800 900 1000 Wavelength nm Spectrum irradiance LA uW em sr 305 700 nm 8 017 4 LP uW cm sr 380 700 nm 0 459 Spectrum output of all light source during CT measurement maximum light intensity ARK 10000 S N 258 lrradiance 4 W cm nm 300 400 900 600 700 800 900 1000 Wavelength nm Spectrum irradiance LA uW cm sr 305 700 nm 0 012 L uW cm sr 380 700 nm 0 002 3 LA Spectrally weighted photochemical aphakic source radiance 4 LP Spectrally weighted photochemical phakic source radiance ZAUR AAA A 2 7 O Patient environment The patient environment represents a space where there is a possibility of direct contact between the patient or the operator and third person When another type of device is used in the patient environment use a device that complies with IEC 60601 1 If the devices that do not comply with IEC 6060
116. ch are based 0 67 1 70 88 on the CL conversion values ee ee 0 66 1 64 88 1 48 SE NIDEK OPD Scan CL conversion value and Print Trial lens Pwr E vag Factory setting Not checked Selection of whether or not to print trial lens data based on AR median values or latest AR values if no AR median values were obtained Econo Print Factory setting Not checked Selection or deselection of economical printout When the box is checked line spacings are narrowed to save printer paper Print All AR Data Factory setting Checked Selection of the print format of AR measured data When the box is checked all the AR measured data is printed out When the box is not checked only AR median values or the latest AR values if no AR median values were obtained are printed out Print Error Factory setting Not checked Selection of whether or not to print the errors that occur during AR or REF measurement on the condition that Print All AR Data check box is checked Select a print format in the Print Error Code check box Print Error Code Factory setting Not checked Selection of a print format for the errors that occur during AR or REF measurement If the Print Error Code is checked an error code will be printed as Error 240 If not Error will be printed This option is activated only if Print Error option has been checked Print PD Factory setting Checked Selection of whether or not to print
117. cient term 6th to 9th terms Coma Trefoil S4 Coefficient term 10th to 14th terms Spherical S5 Coefficient term 15th to 20th terms Secondary coma S6 Coefficient term 21th to 27th terms Secondary spherical S7 Coefficient term 28th to 35th terms S8 Coefficient term 36th to 44th terms S3 S5 S7 Coefficient term 6th to 9th terms 15th to 20th terms 28th to 35th terms S4 S6 S8 Coefficient term 10th to 14th terms 21th to 27th terms 36th to 44th terms HiAstig Coefficient term 11th 13th 23th 25th 39th and 41th terms 2ndAstig 3rdAstig 4thAstig The factory entered groups are shown in blue and user entered groups are shown in black R A D A L 8 R D E R v Entering a combination of aberration components group to be displayed on the map Enter a new group Enter a group name 1 Press lt New l Check aberration components The Coefficient Group Name field will be to be displayed cleared and all the aberration components in the Zernike pyramid will be unchecked Zernike Coefficient Selextion e ee 2 Enter a group name in the Coefficient A Ser 6 7 8 9 29 l 7 Group Name field a e e Oe MEORE R ao es u ww 3 In the Zernike pyramid only check E ra Aidid id d e e d aberration components to be displayed on a ra al fea ab fa a 7 Kazi A i color map S aca a7 Ga Go i 27 437 44 P EERE R E B
118. cked the pupillary distance PD will also be measured automatically If the Auto PD check box is unchecked the PD will not be measured during REF or AR measurement In this case it is also possible to manually measure the PD by selecting the PD measurement mode 1 Uncheck the Auto PD check box on the Settings screen 2 Select the PD measurement mode by pressing the measurement select button on the measurement screen several times When the PD measurement mode is selected the symbol of the measurement select button will be changed to i 3 Instruct the patient not to move his her head and eyes during the measurement ExamNo 4 After precise alignment of the right and left a Examination Patient e eyes press the start button each time When the start button is pressed the color of Right Center and Left indication will be changed from gray to black Right eye monocular PD Binocular PD area _ Left eye monocular PD area area NOTE e If the patient s head is tilted make it straight before starting measurement e To measure the monocular PD at the same time as the binocular PD press the start button every after proper alignment of the right eye middle middle of the nose bridge and the left eye It is recommendable to use the pupillary distance meter such as the NIDEK PM 600 in order to obtain precise monocular PD GOU S 67 5 6 Database Loading of measured dat
119. ction In the case of overrefraction when measuring the patient s eye with spectacle glasses the focusing indicator may not appear See p 4 10 During REF measurement bring the patient s eye in focus by minimizing the alignment light as much as possible Be aware that the reliability of the REF measured data may be lowered according to the degree of the deflection of the measurement beam caused by the lens of eyeglasses refractive index of eyeglasses During CT measurement the reflected frame image of spectacles will obstruct the placido ring image a placido ring image will have breaks or lenses will cause image magnification to vary As aresult the reliability of the CT measured data will be lowered 3 Instruct the patient to place his her chin on the chin rest and gently place his her forehead against the forehead rest 4 Adjust the height of the chin rest with the chin rest knob and roughly align the center of the patient s eye with the eye level marker NOTE e Torelax the patient explain the following before measurement This instrument measures your eye to find which kind of lens fits you and your corneal shape The weak infrared ray and red lights used in the measurements do not harm your eyes MMMMMM V MMMM q q 7ZZZHH X2T7Z T WMWWM WMM Mmo nMMMt A 22 6 Perform alignment and focusing 1 Instruct the patient to Look through the measuring window As you will see a picture of
120. ctions 1 millimeter squares vertex point and point of measuring light axis Eye Image Captured patient s eye image Pupil Image Pupil image during REF measurement Selectable for the OPD map only Keratometric Respective maximum and minimum diopters and their directions over 3mm dia 5mm dia and 7mm dia circumferences Pupil Contour Pupil edge For the Eye Image select Photopic photopic pupil image or Mesopic mesopic pupil image In the case of the OPD map Target Refractive map Internal OPD map Wavefront High Order map Wavefront Total map and Wavefront Group map the area outside the pupil outline is shaded Rings Detected placido ring edges shown in red and yellow lines Border Line This is for setting whether or not to draw boundaries in black Use this option when the areas of adjacent steps are shown in closer colors with an absolute color scale etc 5 Press o The screen returns to the Map View screen and the displayed maps will be updated as specified NOTE e Changes to map types and overlay options in the Select Map Type Pattern dialog are temporary ones The changed will be cleared once you select another patient or turn OFF the instrument For setting permanent map types and overlay options on the Map View Settings screen see 5 2 1 Setting View 1 View 2 and View 3 MMMMMMW MW M M Wq q7q7ZZZHHHHZxZ X zxZZZ n MMMMm0 M MMM Overl
121. culated from the data over 5 mm dia circle Data is shown in yellow if no pupil outline is obtained Residual Astig Amount of internal astigmatism obtained from the Inter nal OPD map Data is shown in yellow if no pupil outline is obtained Cornea Refractive The corneal refractive powers in the direction of the steepest and flattest meridians obtained from the Re fractive map angle Keratometry The SimK value obtained from the Axial map Asphericity 6 0 mm Value representing asphericity within the 6 mm zone on the cornea See p 5 24 e eccentricity S Shape factor Pupillometry Pupil information during REF and CT measurements Photopic Photopic pupil size during CT measure ment Mesopic Mesopic pupil size during REF measure ment MPdist Distance between the photopic pupil center and mesopic pupil center Angle Pdist Distance between the corneal reflex spot and the photopic pupil center Angle Mdist Distance between the corneal reflex spot and the mesopic pupil center Angle ID 000001 Asahi Noboru S 0 68 C 0 20 VD 000 3 ne Smmdzone S S 0 43 C C 0 16 Pye 49 81 A Dist 0 00 0 RMS 0 170 RMS 0 130 ammzone 51 291 85 ATA Pwr 0 73 Dist 0 00 0 Keratomety SimK1 45 36 85 0 0 40 0 99 Pupilometry mm Photopic 4 42 Mesopit MP dist Pdst Mdst 0 01 0 0 154 A865 0 151 A90 Cornea Refractive 1 29 85 dk 1 88 4 Pye 0 14 Dist
122. d CT measurements NOTE e To relax the patient explain the following before measurement This instrument measures the corneal shape The red light used in the measurements does not harm your eyes 6 Perform alignment and focusing See Step 6 of 4 5 1 REF and CT measurements J MMMMVH MMMMM q q7q7T77qzIZTHHHHZZHZXHZHZ ZZHHZ C gt 207 M MMM ManMMMmMMs4 2522 7 Perform measurements When using the auto shot function AW Press the start button of the joystick During CT measurement the auto shot function is disabled When not using the auto shot function A Press the start button on the joystick CT measurement takes place The captured image during CT measurement and Edge Detection the Edge Detection dialog are displayed Make sure that the concentric ring image has no Retake distortion or irregular breaks If image capturing failed press the button to cancel the analysis After the completion of CT captured image analysis the confirmation screen displays analysis results In the lower right of the screen the thumbnail reduced samples of the iris image obtained during CT measurement CT Pupil is displayed Pressing the thumbnail switches the displayed image in the center of the screen to the one of the thumbnail this allows the operator to view the iris at a higher scale To use the Torsion Error Detection TED function before perfo
123. d double circle on the measurement screen represents the innermost and outermost 2 mm dia and 6 mm dia zones to be REF measured If the patient s pupil is smaller than the outer circle only the obtained data within the pupil is accurate To obtain the OPD map of an entire 6 mm diameter use a mydriatic agent without cycloplegic effect under an instruction of a physician MMMMMMM VMMMM qx7zZHHMMMMMMMMMWM MmM q j u MmMM _4 0 4 7 Perform measurement When both left and right eyes are REF measured and CT measured the measurement order is selectable between A and B A The ARK 10000 REF measures and then CT measures one eye and then it measures the other eye in the same order Example REF measurement Right eye CT measurement Right eye REF measurement Left eye CT measurement Left eye B The ARK 10000 REF measures both eyes and then CT measures both eyes Example REF measurement Right eye REF measurement Left eye CT measurement Left eye gt CT measurement Right eye This manual is based on the measurement order A In measurement order A reliability of the PD measured during REF measurement may be lower than the PD value obtained in measurement order B This 1s because the patient s head may shift slightly during the longer interval between the right eye and left eye REF measurements The switching between the right and left eyes is automatic
124. d on maps from the database The screen is also used for editing data By pressing an item on the top ID Name Sex Group Last Exam Date once data can be sorted in ascending order within the item field Pressing the item once again sorts the data in descending order W ascending order or A descending order on an item indicates the item on which the sort order is based Press any item on a desired patient line to select exam data Patient Selection Map Selection area Map Selection Sex Group Last Exam Da view E 000001 Asahi Noboru 2000 06 24 AXOPD2 000002 Umino Haruka 2000 06 27 eee 000003 Hoshino Shizuka 2000 08 03 C View2 ea 000004 Huzie Mamoru 2000 07 18 WFG 000005 Ueno Madoka 2000 07 19 7 views 000006 Kurati Tamae 2000 07 19 000007 Kino Toshiya 2000 08 03 WEGE 000008 Kawai Kazuki 2000 08 03 1 2 000009 Hishihara Hiroyuki 2000 08 03 000010 Isono Naoko 2000 07 24 ig 000011 Oobayashi Nobuko 000012 Banno Yukinobu 000013 Shimizu Kazuko 000014 Umino Hiroko 000015 Sakura Hanako 000016 Umeno Ayaka 000017 Kouno Miyuki 2000 10 02 2000 10 05 2000 10 02 2000 07 04 2000 11 10 2000 07 04 2000107 OF a Number of 7 listed data item annn nnz nz nnz nmng Patient Data 20 of 20 aehiaise 6D l amp 66 G2 Blo Os Used to go to the Map View screen of the se Used to display the Import Outside to Inside lected data screen through which data is
125. de is for checking the distribution of the refractive power of the whole eyeball saving it into the database and displaying it in maps in the future Measurement type AR measurement Printout Display of maps Saving of data in database measurement Not pi display measurement Not save measurement CT Print measurement Display Save Details of measurement Measures the refractive power of the central area of the eye in the same manner that the auto refractometer does The placido ring image projected over the cornea is captured From the KM measurement analysis result of the projected image corneal curvature radius in the approximately 3 mm area the direction of the steepest meridian and the amount of corneal astigmatism are obtained The fundus is scanned by slit shaped ray bundles and data for displaying REF measurement the OPD mav is obtained The placido ring image projected over the cornea is captured From the CT measurement analysis result of the projected image a map illustrating the distribution of the corneal curvature radius or the refractive power is obtained 4 1 Operation Flow Measuring the eye in the ARK mode Printing out measured data 4 2 1 Power ON 4 4 2 AR measurement 4 4 3 KM measurement 4 7 1 Printing measured data 4 2 3 Power OFF 4 4 1 AR and KM measurements J MMWMMW MMMM M q7ZZZZAAMMHZHT T v w MMMM MM mnmMM
126. dialog The Message dialog appears Same patient ID exists Inside Outside Nakao Banno Yukinobu Last Name First Name Arisa Middle Name Date of Registration Sex Address Address2 08 27 2000 08 27 2000 F M Different Item 3 Are You sure You want to edit the patient information Zerr UUAA AAA AAA 69 2 Press Yes 3 Change the ID or patient data and press Inside In the database Outside In a floppy disk The message dialog appears encouraging the operator to confirm if he she modify the ID or patient data 4 Press Yes will change to o 5 Again confirm the ID or patient data and press o The message dialog which encourages the operator to confirm 1f he she loads the data appears 6 Press to start data import After the completion of data import the message dialog appears to inform the operator of the completion of data import 7 Press OK 8 Press Gi The screen returns to the Patient Selection screen Same patient ID exists inside Outside Last Name Nakao Banno First Name Arisa Yukinobu Middle Name Date of Registration 08 27 2000 08 27 2000 Sex M Address Address2 Different Item 3 Message Are pou sire wou want bo finish editing the patent information Outside 000021 000020 Last Name Nakao Banno First Name Arisa Yukinobu Middle Name Date of Registration 0
127. displayed Latest AR values An error No will be displayed if an error occurs dur Right Left ing AR measurement The measured eye indication blinks AR 3 Right KM 0 AR measurement count S C A Latest AR values Right eye Left eye S C A 1 25 0 75 178 1 25 0 75 178 RI R2 A 0 00 0 00 O RI R2 A 0 00 0 00 0 Pressing the Y button clears all the displayed values on the screen NOTE e The sign E may be shown next to the latest AR measured values displayed in the lower portion of the measurement screen This sign represents a lower reliability of the AR values This sign will be frequently shown in the case of keratoconus or a highly irregular cornea after a corneal transplantation AR 3 Right KM 0 S C A S C A 1 25 0 75 176E 1 25 0 75 17 RI R2 A RI R2 A 0 00 0 00 0 0 00 0 00 0 However if the Print High RMS Data check box is unchecked on the Settings screen low confidence measured data with the E sign is not displayed 41S Af MM MMM q q qzxqxiZHHHHHHZ ZXZH MMMMMMMM mmMmM M M M u AR measurement count When the auto shot function is turned ON gt AR measurement automatically takes place in succession on the condition that the instrument is best aligned and focuses on the eye until AR median values are automatically obtained S C A by taking the median of the first 3 usable values When the auto shot function is turned OFF e When the AI Mode box is check
128. displayed in red and yellow lines Border Line This is for setting whether or not to draw boundaries in black Use this option when the areas of adjacent steps are shown in closer colors S 30 A M MMMMMMM qwq7q7zZzZHAAC ZX2_ W W qnwnNwm MWMWwmmmMM amm 10 11 12 3 Press on If necessary check _ Print Out To print maps of the map set when or is pressed on the Map View screen check _ Print Out Press S The Message dialog is displayed Do you save the settings Press Yes The map set is entered as View 1 View 2 or View 3 as selected in Step 2 Press Gk The screen returns to the Patient Selection screen or Map View screen ACCO G OAAR 5 31 5 2 1 3 Modifying an already entered map set An entered map set map layout map types left eye or right eye overlay options and printout specifications is modified NOTE e Factory entered map sets shown in blue may not be modified except for their overlay options and printout specifications 1 Open the Map View Settings screen MapView aR Press on the Patient Selection screen or 1 2 Re E 2 Select the tab of View 1 View 2 or View Map View screen 9 EF 3 to which a modified map set is to be assigned i 3 Select a desired map set to be modified from Map Set entered map sets Standard 1 Press v of the Map Set field
129. dow When the measuring window gets fingerprints or dust on it the reliability of measured values will be lowered substantially Check the measuring window for dirt before use and then clean it if it is dirty 1 Blow off the dust on the measuring window with a blower 2 Wrap a sheet of lens cleaning paper around a thin stick such as a chopstick or cotton swab and wipe the glass of the measuring window with the paper dampened with alcohol A Use a stick which will not damage the glass Never use hard objects such as a metal product Wrap cleaning paper around the tip Wipe the measuring window lightly from center to outside along an arc Measuring window Pay attention not to get alcohol on covers etc 3 Check if the window is cleaned using a penlight If not clean it again with a sheet of new cleaning paper Expose the measuring window to the light of a penlight and change the viewing angle to properly check for dirt 7 8 List of Parts for Replacement Printer roll 806 20 00001 Chin rest paper 32903 M047 DISINFECTING PROCEDURES S Zerr UUAA AA AAA A Purpose The purpose of this procedure is to establish a consistent method by which users may clean and disinfect the patient contact surfaces of the OPD Scan unit and to assist the users in establishing a routine for disinfection that will reduce the potential of cross infection Materials Required e Disinfecting agent such as an anti germicide o
130. e I Print Trial lens Pwr R L V Send Aberration data Other Econo Print C AR KM Send All Data JV Print High RMS Data RL Format RL C ODIOS Used to exiting the ARK 10000 software and to return to the Windows screen Used to display on screen help related to the screen om Used to cancel modifications and to return to the measurement screen Used to fix modifications and to return to the measurement screen Used to display the version of the ARK 10000 software Used to go to the Calibration selection screen Try not to press this button except when per forming calibration for the CT measurement because changing the setting improperly re sults in a malfunction of the instrument C USAGE Us BASI 4 PAAA GG GGO OOOO OO OO OOOO GGG This section explains basic usages as Measuring the eye in the ARK mode Printing out measured data Measuring the eye in the ARK CT mode Viewing measured data displayed in a map gt Saving the measured data in the database Recalling the measured data from the database and displaying it in the map toe tems Refractive power and corneal curvature radius in the central area of the eye are measured This mode is not for saving the measured data in the database but for printing KM and or AR measured data Corneal curvature radius and the distribution of the refractive power are measured This mo
131. e OPD map color codes the distribution of total refractive powers of the eye corrected into emmetropia The higher refractive errors of the myopic eye become the warmer the map colors become The higher refractive errors of the hyperopic eye become the cooler the map colors become MMMM VMM MMMq q7q7q7z7ZZZHHHHZZZHHHXHCTC WM q qmmqMq q wmMMmMMm 5 1 7 Target Refractive map 5 11 The sum of the data on the Refractive map and that on the OPD map This map shows the distribution of corneal refractive powers of an eye corrected into emmetropia This mark moves in accordance with the value of the cursor position jd 00 upili 43 00 52 5 Represents a specified color scale Norm Normalize Indv Individual Com Common Number Increment Adj Adjustable Com Common Number Increment Abs Absolute S K 1 5 Smolek Klyce 1 5D 26 Absolute 26 Comment Enter on the Edit Exam Information screen About color scale Map title Measured eye Imm Zone 49 0am or AT brim ar dk 1 53 Per 49 06 Dist 0 00 0 O Values calculated from the data over 3mm dia circle From the upper item Refractive power of the steepest meridian Angle Refractive power of the flattest meridian Angle dk Difference in refractive power between the flat test meridian and the steepest meridian Data is shown in yellow if no pupil outline is ob tained Comment Date and time of measurement Exam No
132. ected group name here 2 Press A line is inserted above the selected group name in Step 1 List of entered group names fone 6 0 Order 6 0 00 4 00 00 127 00 16 00 3 Press v of the inserted line Entered groups are listed 034 4 Press W or a to move a desired group 021 name into view 95455457 0 28 5 Press a desired group to select 4 56 58 0 20 The selected group will be inserted E Changing a group set Deleting a group Delete an unwanted group from a group set Only user entered group sets shown in black can be changed 1 Select a group name to be deleted 2 Press ray The selected group name in Step 1 will be deleted NOTE e Changes to the RMS graph made on the Map View screen are temporary The changes to the graph will be reset back to those before the changes once you exit from the Map View screen S 22 4 M MM 77777T77H_ T HHHHHNHHX C xwwTXZ Z7ZMM MMMmmMm 5 1 12 2 Coefficient graph The graph shows coefficients of individual aberration components included in a group combination of aberration components A side by side display of the preoperative and postoperative Coefficient graphs tells differences in each aberration component Map title Measured eye Exam No Region Order number al G L No roup name f fone 6 0 Order 6 16 00 800 000 00 16 00 S Astigma 4 Defocus 11 003 4S Astigna 0 393 Each aberration co
133. ed Av on the Settings screen gt Pressing the start button once triggers the instrument to perform AR measurement a single time Holding down the start button makes the instrument perform AR measurement repeatedly until AR median values are obtained S C A by taking the median of the first 3 usable values e When the AI Mode box is not checked d pD on the Settings screen gt Pressing the start button once triggers the instrument to perform AR measurement a single time While the start button is held down the instrument keeps performing AR measurement If the Single Fogging box is not checked on the Settings screen fogging is maintained throughout the repeated AR measurements 7 Measure the other eye in the same manner 8 After completion of measurement press E The measured results are printed See 4 7 1 Printing measured data ZARU OAA RUAA AAAA A E E 1 4 4 3 KM measurement Only KM measurement measurement of the corneal curvature radius is performed NOTE e To obtain reliable measured results be sure to read APPENDIX C OBTAINING RELIABLE EXAM DATA before measuring a patient s eye for the first time 1 Turn ON the power The ARK 10000 starts up and the measurement screen opens 2 Prepare the patient See Step 2 of 4 4 1 AR and KM measurements NOTE e To relax the patient explain the following before measurement This instrument measures corneal shape The red light us
134. ed in the database salts eels DIE ee the button 1s symbolized as Sa Pressing the button starts printout and simultaneously saves a measured result in the database eee 210 x 207 mm i If the patient has not been selected yet or the patient s data has not been entered prior to measurement the Select Patient dialog opens Select a patient or enter data of the patient and press o The data patient s data and exam will be saved in the database 2 Press o A color map printed in the preset layouts of View The map will not always be printed in the displayed layout Driver hp deskjet 5550 series 7 Checking a layout to be applied to a printed color map Shows a layout to be applied Map Selection View casi Layouts to be applied to printed maps can be to a color map on the Map TA checked in the Map Selection area of the View screen ps C View Patient Selection screen g button on the COUT 29 Layout of View 1 WEG right side of each View radio button shows Coasa BI whether the View will be applied to printed Layout of View 2 V maps or not Layout of View 3 1 9 a gt The layout will be applied to sig printed maps fal gt The layout will not be applied to Whether or not a map is to be printed in the lay printed maps out is shown In this case the map is printed in the View 1 layout and View 2 layout
135. ed in the measurement does not harm your eyes pressed the measurement mode is alternately switched See 4 3 Selecting the Measurement Mode 4 Set the measurement type to the KM KO Every time the measurement select button in the lower left corner is pressed the selected measurement will be switched alternately The symbol in the measurement select button represents a currently selected measurement 5 Perform focusing See Step 5 of 4 4 1 AR and KM measurements 4 17 AAR AAAA O GGU OO OOOO OOGO OOGG 6 Perform measurement When using the auto shot function Ar Press the start button on the joystick KM measurement takes place three times During KM measurement the auto shot function 1s disabled When not using the auto shot function A Press the start button on the joystick KM measurement takes place three times The KM measured median values are l l KM median values displayed An error No will be displayed KM measurement _ if an error occurs during the measurement Right Left The measured eye indication blinks AR 0 Right KM 3 S C A 0 00 0 00 0 count S C A 0 00 0 00 0 RI R2 A 7 94 7 59 170 RI R2 A KM median values 7 94 7 59 170 Simulated KM measured values Right eye Left eye Pressing the g button clears all the displayed values on the screen 7 Measure the other eye in the same manner 8 After completion of KM measurement press sl T
136. edited data will not be saved 5 90 ZAA AAA O GG ACAO 5 8 3 Moving an end point Extend Detected edges This tool is for extending a detected edge in a desired direction A designated arc can be changed in length or in direction by moving a selected end point of the arc 1 Enter the edge edit mode N See 5 8 1 Entering edge edit mode 2 Trace an arc in a range whose end point is shifted to designate The arc in the designated range turns red To deselect the designated arc press conco to return it to blue 3 Press ial The arc in the designated range turns into a 66 29 yellow dashed one with a cyan x at an endpoint 4 Move the cyan x to a desired position 5 Make sure that the yellow dashed arc aligns to the appropriate captured placido ring and press The detected edge will modify its curve to that of the yellow dashed arc Press not to modify the designated arc to the carve indicated by the yellow dashed arc 6 In the same manner align other substantially shifted edges to the appropriate captured placido ring 7 Press to exit from the edge edit mode The display returns to the confirmation screen of detected edges 8 After confirming the edited edges press to exit the confirmation screen For data retrieved from the database designate how to save edited data from the Confirmation dialog button gt The edited data is written over original data The original data w
137. een panel Displays various kinds of operation screens exam data and maps Touching the displayed buttons allows operation of the instrument 2 Start button Used to start the measurement Joystick Used to move the main body to the right left back and forth By turning the top of this le ver the main body can be moved up and down 4 Locking knob Used to fix the main body to the base unit To lock the main body bring the main body to the center of the base unit and turn the knob counterclockwise while holding it down To temporarily lock the body at any position turn the knob clockwise Do not lock the main body with this lock ing knob during transport because a break down of the instrument may result Start button p tr Joystick etc Locking knob Floppy disk drive LJ Floppy disk drive Used to store map images or numerical data obtained from measurements on a floppy disk Use a MS DOS formatted 2HD 3 5 inch floppy disk Printer The built in printer is used to print out the AR and KM measured data equivalent to the measured values by Auto Ref Keratom eter 7 VGA connector Used to connect an external monitor or video printer USB connector This connector is for connecting an USB de vice Used to connect an external storage device 9 Printer connector Used to connect an optional color printer ZrO RUU AAAA A QPD S an 3 2 Printer
138. em from a reference dialog by pressing on the right side Entry box Explanation Index Backup Index Backup Data Import Export 5 Press ol Storage location of the database index An external storage device cannot be designated in this field Storage location of the exam analysis data Itis recommended to designate the internal hard disk although an external storage device can be specified On condition that an external storage device is designated only index data will be backed up at the time of backup lt is impossible to designate the same folder as the Backup Data field and Import Export field Storage location of the copied index files created when the system is shut down The copy is used for rebuilding the database An external storage device cannot be designated in this field Database backup destination Itis impossible to specify the same folder as the Data field and Import Export field The internal hard disk is factory set in this field It is necessary to change the destination to back up the database on an external storage device When the backup destination has been changed select the All option when backing up for the first time Data import or export destination It is impossible to designate the same folder as the Data field and Backup Data field The screen returns to the Database Settings screen 6 Press Ge The screen returns to the Patient Selection screen When backing
139. en a map illustrating the distribution of corneal curvature radiuses or that of the refractive power and KM measured data simulated keratometry values are obtained 4 5 1 REF and CT measurements Both REF measurement and CT measurement are performed NOTE e To obtain reliable measured results be sure to read APPENDIX C OBTAINING RELIABLE EXAM DATA for the first time at the end of this book before examining a patient s eye 4 19 I M MMMMMMM MM 7 q 7xA 7MAAAAAMMMM7T7 7 _ M WMMMmwMM 1 Turn the instrument ON The ARK 10000 starts up and the measurement screen opens TT x AnA rp Every time the measurement mode button the second button from the left in the bottom is pressed the measurement mode is alternately switched See 4 3 Selecting the Measurement Mode 2 Set the measurement mode to the ARK CT 3 Set the measurement type to the REF CT 26 Every time the measurement select button in the lower left corner is pressed the selected measurement will be switched alternately The symbol in the measurement select button represents the currently selected measurement 4 Type in a patient s ID and name Press the or button on the top of the measurement screen The Select Patient dialog is displayed Select Patient If a patient has already been entered Press the patient line and then press or e Uninet Hesuka TE preted Pressing
140. en while the placido ring is illuminated or after the placido ring has shut off after approx 15 secs On the touch screen panel the simulated KM values are shown AR 0 Right KM 1 S C A 0 00 0 00 O S C A 0 00 0 00 0 RI R2 A 7 94 7 59 170 RI R2 A Simulated KM values 7 94 7 59 170 Pressing g clears the displayed data 9 Measure the other eye in the same manner 10 After the completion of measurement press or Sl Measured results are stored in the database simultaneously with printout See 4 7 1 Printing measured data and see 4 8 Saving Measured Data A AACO OOO OOOO CCOO OOO A 34 4 5 4 Measurement using mydriatic agent during REF and CT measurements or REF measurement If a pupil is smaller than the outer circle only the obtained data within the pupil is accurate The automatic fogging applied to the scenery chart during automatic refraction is for releasing the straining eye This fogging however may temporarily cause the patient s pupil to reduce For the reason during the initial shot of the automatic refraction patient s pupil may not fully be enlarged In such cases take three or four shots of REF measurements in succession by holding down the start button If the patient s pupil is still smaller than the outer circle after several shots of REF measurements use a mydriatic agent under an instruction of the physician 4 35 A M MMMMMMMMq qzqTTAAAAHMMMMMMMMM WqnMuM MamM_eue
141. ent term Oth to 44th terms Tilt S1 Coefficient term 1st and 2nd terms Tip Tilt High Coefficient term 6th to 44th terms A coefficient term of an aberration component Coma Coefficient term 7th and 8th terms Coma Oth term represents a number above each term Trefoil Coefficient term 6th and 9th terms Trefoil in the Zernike pyramid T Sph Coefficient term 12th 24th and 40th terms E g Coefficient term 3th term T Coma Coefficient term 7th 8th 17th 18th 31th and 32th terms T Trefoil Coefficient term 6th 9th 16th 19th 30th and 33th terms T Astig Coefficient term 11th 13th 23th 25th 39th and 41th terms T 4Foil Coefficient term 10th 14th 22th 26th 38th and 42th terms T 5Foil Coefficient term 15th 20th 29th and 34th terms Low S1 S2 Coefficient term 1st to 5th terms S2 Coefficient term 3rd to 5th terms Astigmatism R A D A E 0 R D E R 2 Defocus S3 Coefficient term 6th to 9th terms Coma Trefoil A root some square value of S4 Coefficient term 10th to 14th terms Spherical the checked aberration compo S5 Coefficient term 15th to 20th terms Secondary coma nents is displayed by bar S6 Coefficient term 21th to 27th terms Secondary spherical 9 3Ph S7 Coefficient term 28th to 35th terms S8 Coefficient term 36th to 44th terms
142. er Setting of the parity ERE ZAOU A UUU A A AAAA AAAA Send Aberration data Factory setting None This parameter is used when transmitting the measured data to the automatic optometry sys tem When this parameter is not checked the AR measured value is transmitted Check this check box to automatically select and transmit either the set of ZS ZC and ZA SPH CYL and AXIS in the analysis area calculated using Zernike polynomials values or AR measured value that is more suitable for the subjective test To use this function measure data must be transmitted from the map screen on which any Wavefront map Zernike Graph Wavefront Total Wavefront HO or Wavefront Group is displayed If the set of ZS ZC and ZA values of right and left eyes are needed any Wavefront map must be selected for both right and left eyes The data ZS ZC and ZA are calculated only from the last measured value The transmitted AR measured value is a representative value If the median value is not calculated the final measured value is transmitted The selection of the value to be transmitted is printed by the built in printer as illustrated below Example WFsent RMSO 19D 3mm ee Set of ZS ZC and ZA is transmitted RMS of AR final measured value 3mm is RMS analysis area fixed Example ARsent RMS1 18D 3mm a Median AR value is transmitted RMS of AR final measured value 3mm is RMS analysis area fixed Send All Data Facto
143. er 1s encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving device Increase the separation between the instruments Connect the instrument to an outlet on a circuit different from that to which the other device s are connected Consult the manufacturer or field service technician for help During installation and operation of the device observe the following instructions about EMC electromagneticcompatibility Donotuse the device simultaneously with other electronic equipment to avoid electromagnetic interference with the operation of the device Do not use the device near on or under other electronic equipment to avoid electromagnetic interference with the operation of the device Do not use the device in the same room as other equipment such as life support equipment equipment that has major effects on the life of the patient and results of treatment or measurement or treatment equipment that involves small electric current Donotuse the device simultaneously with portable and mobile radio frequency communication systems because it may have an adverse effect on operation of the device The International Electrotechnical Commission sets the essential requirements for electrical and electronic equipment that may disturb or be disturbed by other equipment The ARK 10000 complies with these requirements as tabled in EF EMC Electromagnetic Compatibilit
144. eridian R2 Steepest meridian AVE Average of R1 and R2 CYL Corneal astigmatism and cylinder axis angle OPD Scan Sample printout ARK CT mode gt PD value Right eye monocular PD Left eye monocu lar PD The monocular PDs are measured only when the start button is pressed when the main body is aligned with the middle of the nose bridge 000021 Asahi Noboru 2003 APR 10 9 56 AM VD 13 75mm gt Patient ID Patient name Sex M F Date and time of measurement S C O 90 gt Vertex distance 0 50 0 50 0 50 165 gt gt Auto Refraction AR values D deg 43 00 44 15 43 75 1 75 50 25 50 mm 89 61 104 gt J9 gt 14 gt 6 4mm l L 33 gt AR median values Simulated keratometry values R1 Flattest meridian R2 Steepest meridian AVE Average of R1 and R2 CYL Corneal astigmatism and cylinder axis angle NIDEK OPD Scan gt PD value Right eye monocular PD Left eye monocular PD The monocular PDs are measured only when the Start button is pressed when the main body is aligned with the middle of the nose bridge MMMMMM VMM MV MMM q qxZ Zz7zZiAAHHH WM qwMMMqmMmMMM A 42 4 7 2 Printing color maps The use of an optional color printer permits a color map to be printed out s amp on the Map view screen The Select Printer Device dialog opens l If a measured result is not sav
145. erse effect on AR measurement which is caused by miosis Installation procedure 1 If the keyboard mouse or color printer is ready connect them to corresponding connectors See p 3 2 2 Connect the power cord between the power inlet on the lower right side of the instrument and a HOSPITAL GRADE wall outlet 3 Turn ON the power switch and confirm that the instrument is powered 4 Measure the provided model eye See 7 4 Checking Measurement Accuracy APPENDIX C PA et LIE RELIABLE EXAM DATA MMUMeq qYq WMMMMMMMMMMMMMMMuwmM vr IMPORTANT Read the following information before using the instrument for the first time To obtain reliable measured data using the ARK 10000 pay attention to the following 1 to Q C1 Until you get accustomed to the joystick manipulation it is recommended to turn OFF the auto shot function and start measurement by pressing the start button on the joystick When the auto shot function is turned ON See p 4 10 and p 4 23 a measurement error such as a measurement took place when the patient blinked may occur This is because measurement takes place automatically regardless of an operator s intention if the auto shot function is ON 2 A quick measurement without straining the patient s eye is an important tip to obtain reliable measured results When not using the auto shot function the timing of pressing the start button on the joystick Is Misalignment in up a
146. et see 5 2 1 3 Modifying an already entered map set Map Set AxOPD4B AxOPD2 AxOPD4B CTOPDE CTOPDE6B Standard map WFG WF6B Map set in blue Factory entered map set Not changeable 4 Choose overlay options for each individual ce in black User entered map set change able map 1 Press an overlay option field next to a map button The overlay options are listed 2 Check desired overlay options Cross Cursor l Grid Eye Image l Keratometric Pupil Contour Rings Border Line OK cancer LOOO OOOO OOOO O O O OO O OOO OOOO OOOO OOOO S 27 See Overlay options p 5 59 Angle Scale Protractor like angle scale Cross Cursor Dragging the cross cursor displays refractive power Pwr corneal curvature radius Rad distance from the center Dist and Axis at the location Grid Sections 1 millimeter squares vertex point and a point of the measuring light axis Eye Image Patient s captured eye image Pupil Image Pupil image during REF measurement Available on the OPD map only Keratometric Individual maximum and minimum diopters and the their directions over 3mm dia 5mm dia and 7mm dia circumferences Pupil Contour Pupil edge For the Eye Image select Photopic photopic pupil image or Mesopic mesopic pupil image In the case of the OPD map Target Refractive map Internal OPD map Wavefront High Order map Wavefront Total map and Wave
147. etween a reference wavefront as the wavefront of an emmetropic eye and the wavefront of patient s eye This map is calculated from the OPD map Map title Date and time of measurement Exam No Measured eye side Cross cursor 2A tit Can be moved to a desired 27 tik Th 20 00 position Values at the cursor i i 18 00 ae gt i ane Mi accoreanee 16 00 position are shown in the i iti iLi E AAEE AC SSE R 12 0 lower right corner of this map 1000 T DI 6 01 i gi 00 Indicates values at the cursor position SU f IN Wavefront elevation 2 0 A 00 Distance from the center to the cross ifi 00 Represents a specified color ne cursor Angle 10 00 scale iE E Norm Normalize Aau 7g 50 Amount of misalignment Indv Individual Log ACY 050 Distance between the measurement axis 20 00 Foe 3 Com Common AE wD tas and corneal vertex Angle ag F error 1 182 um Het 000 0 See the footnote on p 5 3 Number Increment fone 6l mm Order 6 Dist 0 00g O l P Adj Adjustable F Commen Color A A Amount of misalignment of Com Common letters Number Increment 0 4 Amt of misalignment Red Comment Input on the Edit Exam Information screen ZS SPH within analysis zone calculated using Zernike polynomials ZC CYL within analysis zone calculated using Zernike polynomials ZA AXIS within analysis zone calculated using Zernike polynomials VD Corneal vertex distance RMS wavefront error excluding error of zeroth
148. eye substantially moved make the measuring unit follow the movement of the eye by manipulating the joystick 6 After AR or REF measurement and before performing KM or CT measurement instruct as Slowly blink your eyes once or twice 7 After both AR and KM measurements or REF and CT measurements have been completed and the Edge Detection dialog appears say Thank you very much for your cooperation Now you may blink However to obtain reliable PD Pupillary Distance data do not allow the patient to move his her face until the measurement of both eyes has been completed since the PD is obtained during both eye measurement J MMMMWMWMM q q7q7zZZZHHHH 2TA7MAH ZX7 7q M M W m m Mm_mMMM 0 2 4 The following sign displayed in the measured value display area on the LCD during AR or REF measurement indicates that the reliability of the data is low Re measure the eye S C A 1 25 4 25 170E Only when the same sign always appears after repeating measurement several times use the data as reference data See OPD Scan Error Message Table on p C 4 Just after CT measurement the placido ring image projected on the patient s cornea is displayed posterior to the Edge Detection dialog Check the captured placido ring image See p 4 24 The concentric ring image may appear distorted or may appear to have irregular breaks because of insufficient tears by
149. f absolute color scales Smolek_Klyce 1 5D The Smolek Klyce scale is a fixed color scale An area in the 30D to 67 5D range is shown in 26 colors in increments of 1 5D with the fixed color scale Absolute 26 The Absolute scale has the same color scheme as the Smolek Klyce scale and the same 26 colors Peripheral diopters in the 9D to 101 5D range are shown in wider increments The absolute color scale is selectable only for the Axial Instantaneous Refractive and Target Refractive maps Color ISO 26 J 2 As necessary enter color schemes and number of the colors available emoe p with the color scale in the Color area only for the relative color scale C Smolek_Klyce ISO gt The color schemes are in conformity with the ISO recommended ones Designate a color number in the entry field to the right of the ISO radio button 15 to 25 color schemes Red gt Green gt Blue NIDEK gt Designate a color number in the entry field to the right of the NIDEK radio button White gt Red gt Yellow gt Green gt Blue gt Violet 9 to 51 colors Smolek_Klyce gt Provides the same color scheme as that of the Absolute color scale Pink gt Red gt Yellow gt Green gt Blue gt Navy blue with a fixed color number of 26 MMMM M M M M q 77q 7q 7zZzZzZHHHHZHZHZ MAQHWMMM m mqmn n WMMMmMoumMMMMr A 51 3 As necessary set the unit of a color scale in the Scale a
150. for backup data parkaa E AN Be sure to select an external storage de Import Export vice E as a target backup location ja iQ ES OK Cancel Database Backup dialog Maintain the factory setting Export Settings dialog Unrelated to backup procedures Rebuild Database dialog Unrelated to backup procedures D 4 Ordinary Backup An ordinary backup procedure differs according to whether the data is backed up for the first time or not In this section the first time backup procedure and procedure for backing up for the second time and after are respectively explained If an external storage device removable storage disk is selected in the Data box on the Select Database Directory dialog back up only the index data See D 5 Index Backup D 4 1 First time backup 1 Press on the Patient Selection screen to display the Database Backup dialog Patient Selection oy name sex Group Last exam Da 2000 06 24 AXOPD2 2000 06 27 SS 2000 08 03 C View2 Jea 2000 07 18 WF6 2000 07 19 views E 2000 07 19 wos 2000 08 03 WEGB 2000 08 03 i z 2000 08 03 2000 07 24 Gea 2000 10 02 2000 10 05 Map Selection View Bz Asahi Noboru Umino Haruka Hoshino Shizuka Huzie Mamoru Ueno Madoka Kurati Tamae Kino Toshiya Kawai Kazuki Hishihara Hiroyuki Isono Naoko Oobayashi Nobuko Banno Yukinobu Shimizu Kazuko Umino Hiroko Sakura Hanako Umeno Ayaka
151. from the Color area Individual For each individual map the increment and intermediate value are calculated from the maximum and minimum values of a map to make the best possible use of the color scale Common For each individual map type the same color scale as Common increment and intermediate value are calculated from the maximum and Refractive map and Target Refractive minimum values T High Order map Wavefront However respective map pairs shown Trara r A AV GEE COUP IAR in the right table will be displayed with the same color scale Min Step This is for designating the minimum increment value The calculated increment in the case of the Individual or Common of the Normalize does not become smaller than the designated value Diff Min Step gt This is for specifying the minimum increment for the Difference map Common of Adjustable This is also a relative scale Unlike the Common of the Normalize an intermediate value Middle and step Step can be specified Checking V Auto Step will automatically select an appropriate step for a specified intermediate value Absolute color scale Absolute With this scale an increment and range are constant Regardless of the patient s refractive conditions the areas of a same diopter are always shown in the same color on a map This color scale is useful for comparisons among multiple maps Select from two types o
152. front Group map the area outside the pupil outline is shaded Rings Detected placido ring edges shown in red and yellow lines Border Line This is for setting whether or not to draw boundaries in black Use this option when the areas of adjacent steps are shown in closer colors 3 Press on 5 If necessary check _ Print Out To print maps with the map set when lt 2j Print Out 6 Press S The Message dialog is displayed or sa is pressed on the Map View screen check _ Do you save the settings 7 Press Yes The selected map set will be entered together with designated overlay options and _ Print Out specifications as View 1 8 In the same manner as Steps 2 to 7 set View 2 and View 3 9 Press Ge The screen returns to the Patient Selection screen or to the Map View screen EZE ZAU OAA RRUA AAAA E 5 2 1 2 Entering a new map set Frequently used map layouts map types eyes left or right overlay options and printout specifications can be entered as a new map set 1 Open the Map View Settings screen MapView ae View1 Press on the Patient Selection screen or D is Map View screen M 7 af rt 2 Press a tab of View 1 View 2 or View Axial Axial 9 rm o 3 whose specifications are to be changed 3 Press 4 Enter a map set name in the Map Set field OTO a 5 In the Layout f
153. g canee returns to the Map View Settings screen without the group set entered g p g group S GO 4 M MMMMMMMMM 7q7xzZZ H ZX T 7 W wMMMMmmMmMmMwmM r Modifying an entered group set The included groups in a user entered group set shown in black may be changed whereas a factory entered group set shown in blue may not be modified 1 Confirm that the RMS Graph radio button is selected in the Zernike Coefficient Graph Settings dialog 2 Select a group set to be changed using v of the field for group set 3 Change the groups included in the group set in the same manner as Steps 4 and 6 of Entering a new group set p 5 38 4 The screen returns to the Map View Settings screen Pressing returns the display to the Map View Settings screen without changing the group Deleting an entered group set User entered group sets shown in black may be deleted whereas factory entered group sets shown in blue may not be deleted 1 Confirm that the RMS Graph radio button is selected in the Zernike Coefficient Graph Settings dialog 2 Select a group set to be deleted using v of the field for group set 3 Press _y The Message dialog is displayed 4 Press Do you delete Original Coefficient Group i Cancel The selected group set in Step 2 will be deleted and the screen returns to the Map View Settings screen Pressing retu
154. g the main body Loosen the locking knob which is beside the joystick e Check the printer paper If the paper is out replace with a new printer roll The internal printer does not work e Print Mode parameter may be set to None Reset the parameter The paper is fed however no characters are e The printer paper roll may be set with the wrong printed on the paper side up Set it with the correct side up 6 2 A M MMMMMMMMM7T 7ZzixiHHHZ HH XH _ gt qMW0qM M M M Mn a a MMM Symptom Suggestion e The auto tracking button may not be on Turn on the tracking function The auto shot button may not be on Turn on the auto shot function Light such as from room illumination may be reflecting on the cornea Change the location and try again The auto tracking function or auto shot function does not work on some eyes such as keratoconus or recently operated corneas In such cases turn off the auto tracing function to perform Auto tracking function or auto shot function measurement does not work For the patient who has substantial ocular ataxia or who cannot fixate his her eyes there are cases when the auto tracking function or auto shot function does not work In such cases turn off the auto tracking function and start measurement If the instrument is installed in the vicinity of a window where the instrument is exposed to sunshine light interference may adversely affect these function
155. get free space for Retention period oe Free up backup 4 Set data deletion criteria 1 Warning if the disk free If free space of the internal hard disk is less than the specified capacity in this field Unit MB the message appears during the ARK 10000 startup to encourage the operator to perform Free up backup to delete older data after data backup 2 Free up The value shows the target free space of the internal hard disk Unit MB Backup with Free up checked will free up disk space to allocate at least the free space specified in the field To use once deleted data after the Free up backup retrieve the data from a storage disk 3 Delete patient data permanently After the execution of Delete process which is selectable from the Database Backup dialog the data which has not been updated for the specified year in the field will be deleted If 0 is entered it is impossible to check Delete To make the Delete selectable input a retention period in this field Unit Year 5 Press on The screen returns to the Database Settings screen 6 Press Ey The screen returns to the Patient Selection screen J MMMMMMMMMMMMM q7z7zZzZ7ZAHHHWMMMMMMM MMMMMMMMMMs s s8 5 5 7 Outputting Map Data The outputting of numerical data or map image of a displayed map is explained 5 7 1 Outputting numerical data from a map Save Map Information
156. ginal 3 If necessary check _ Print Out key oP g OF Je is pressed on the Map View screen check _ Print Out To print maps of the map set when Refractive 4 As necessary change the map set name in the Map Set field When not changing the map set name Modify the map set When changing the map set name gt Enter the map set as a new one 5 Press al The Message dialog is displayed 6 Press The map set will be entered 7 Press Ge The screen returns to the Map View screen Do you save the settings ACO G G CAAO FS 33 5 2 1 5 When selecting the Wavefront Group map When Wavefront Group is selected in Step 7 arnike Coefficient Selection of 5 2 1 2 Entering a new map set the Zernike e Coefficient Selection dialog is displayed Select a combination of aberration components group R A D A E 0 R D E R v Designating a combination of aberration components group to be displayed 1 Press W in the Coefficient Group Name lent Selection __ field and select a combination of aberration eo components group d rer The checked aberration components in the Zernike pyramid will be displayed in the Wavefront Group map The screen returns to the Map View Settings screen The selected group name is shown in yellow on a map button Factory entered combinations of
157. group sets V Sets Total Tilt S1 High T Coma T Trefoil T 4Foil T Sph HiAstig H Sets Total Tilt S1 High S3 S5 S7 S4 S6 S8 The factory entered groups are shown in blue and user entered groups are shown in black S 20 4 M MM MMMMM q w 7q 7zZzZZHAHHHQMMMMMMMMMMMMM M mMMmmm r B Confirming aberration components in each group 1 Press a group name to select it 2 Press The Zernike Coefficient Selection dialog is displayed The checked aberration components are included in the group 3 Press ie The screen returns to the Map View screen R A D A E 0 R D E R v C Setting a new group set 1 Press The RMS Graph Name dialog is displayed 2 Enter a new group set name RMS Graph Name Origina 3 Press 9 The group set will be entered with the OK Cance entered name and with a set of groups that are displayed 4 Add or delete groups to a desired combination of groups See D Changing a group set adding a group and E Changing a group set deleting a group p 5 21 MMMMMWMMM M MMM Mq qz7x7ZzZA HT2ZT2ZX2ZZTH W MMM MM WWMM m MMm mMmm rr 5 21 D Changing a group set Adding a group Add a group to a group set Only user entered group sets shown in black can be changed 1 Press a group name to select it A new group name is inserted in the line immediately above the sel
158. he Patient Selection screen Press on the measurement screen Patient Selection Map Selection Gad A View Asahi Noboru M 2000 06 24 AXOPD 2 Umino Haruka F 2000 06 27 Hoshino Shizuka F 2000 08 03 C View2 Jea Huzie Mamoru M 2000 07 18 WF6 Ueno Madoka F 2000 07 19 views E Kurati Tamae F 2000 07 19 2 zlees Kino Toshiya M 2000 08 03 WESB Kawai Kazuki F 2000 08 03 i 9 Hishihara Hiroyuki M 2000 08 03 Isono Naoko F 2000 07 24 Gea Oobayashi Nobuko F 2000 10 02 Banno Yukinobu M 2000 10 05 Shimizu Kazuko F 2000 10 02 Umino Hiroko F 2000 07 04 Sakura Hanako F 2000 11 10 Umeno Ayaka F 2000 07 04 Kouno Miyuki F 2000 07 04 x gt Patient Data 20 of 20 displayed ogasun a 2 Press a desired patient line to select and press Edit Patient Information it additional two times ran a AA The Edit Patient Information screen is opened Pile Nar _ Or select a patient line and press amp to open A E 2000006724 00 00 the Edit Patient Information screen a E 3 Modify or type in data in a desired field es Pressing on data heading twice opens its entry field Modify or type in data using the keyboard Fa The data with a R mark on its left cannot ok cane be modified 4 Press on The screen returns to the Patient Selection screen NOTE e Use a unique ID such as a carte number If an already assigned Patient ID is entered the message The input Patient ID
159. he eye image If the problem cannot be solved by following the suggestions above contact your authorized distributor In such cases let your authorized distributor know the serial number of your instrument and software version The serial number is printed on the nameplate affixed to the right side of the instrument The software version 1s shown on the title bar of the measurement screen Tf an external device is connected to the ARK 10000 perform the setup correctly following the user s manual for the external device MAINTENANCE S 7 WwW MULL 7 1 Replacing the Roll of Printer Paper When a red line appears on a side of the printer paper it means that the paper is running short In such cases stop using the printer and replace the roll with a new one NOTE Do not run the printer without paper It ruins the printer head Do not pull the paper in the printer forcefully This may cause a malfunction of the printer pd Take off the printer cover Lug Tilt the printer cover toward the front to remove while holding the lug down Printer cover 2 Flip down the lever on the right side and turn the gear backward to rewind the paper 3 Take out the old paper roll and take the shaft out of the roll 4 Insert the shaft into a new printer roll Gear Lever 5 Cut the end of the paper with a pair of m scissors and then pass it through the printer as shown below After inserting the pa
160. he measured results are printed See 4 7 1 Printing measured data Z ZAA AAA AUAA G AA AAE 4 TB 4 5 Measuring in the ARK CT Mode In the ARK CT mode the corneal curvature radius and the distribution of the refractive power are measured The mode should be used for viewing the distribution of the refractive power of an entire eye or for saving measured data in the database and for viewing a map of the data at a later date In the AR CT mode two types of measurement are available REF measurement and CT measurement The measurement select button allows you to select both REF measurement and CT measurement REF measurement only or CT measurement only Measurement Measurement Measurement select button mode button REF measurement For obtaining AR measured data in the corneal center as measured by an auto refractometer by scanning the fundus with slit shaped ray bundles and measuring it in increments of 1 in the 2 mm to 6 mm zone that is divided into 4 and for obtaining the OPD map CT measurement REF measurement and CT measurement REF measurement CT measurement Manual PD measurement Only when the Auto PD box is checked on the Settings screen 4 5 1 REF and CT measurements 4 452 REF measurement 2 REF measurement 4 5 3 CT measurement 5 5 Manual PD Measurement at Sieg a K ia ry The projected placido rings on the cornea are captured the ring images are analyzed and th
161. he requirements of the system standard IEC 60601 1 If in doubt consult the technical service department or your local representative 3 30 M MM MMMMM q7q7ZZiZHH2ZXx wZAA Z 210q 4 qMMMMMMM M M M Mn mmmMm r 9 Eye level marker N We Measuring window Chin rest CS INS Se _ ve Chin rest knob Patient s side gt Eye level marker A guide for the patient s eye level during mea surement The height of the chin rest should be adjusted so that the center level of the patient s eye roughly aligns with this line 6 Chin rest knob Turning this knob moves the chin rest up and down You may use the eye level marker as a guide to adjust the patient s eye level to a com fortable height for measurement J MMMM MMMMq q qxZZ T MAAATZHZX X27 _7 MMMMMMMqmM MmMmMM j 060 4 Measurement screen ARK mode The screen is displayed when the refractive power and curvature radius of the eye are measured Examination ID 1 Patient atl 1 Patient nt ie je 77 sie 5 A x x x x s s x s x eons Na BE Ss Ver 1 12 2003 MAR 3 13 26 Target AR O Right KM 0 S C A 0 00 0 00 0 Ri R2 A 0 00 0 00 0 Measurement select button Measurement mode button Auto shot button Measurement select button Every time the button is pressed the measure ment is selected in the oa of 96 AR and KM measurements gt S AR measure ment gt k
162. iate value are calcu ate value are calculated for each individual map type Maps lated for each individual map of the same type are displayed by the same scale Moix T en Z _ Minimum increment value for o C Individual C Common i Minimum step value i ee a E j the Difference map instep i 12 Diff MinStep 012 Intermediate value Incre Adjustable gt gt gt ment and Increment specifi oe A tion for the Diff z cation for the Difference map Middle 43 0 Step 0 50 Stan 0 12 W AutoStep An appropriate increment for Absolute a C Smolek_Klyce 1 5D C Absolute 26 a specified intermediate value is automatically selected An increment and intermediate value can be specified Maps of the same type are displayed by the same scale 4 Absolute color scale with which the 30D to 67 5D Absolute color scale with which the 9D to 101 5D range is shown in 26 colors range is shown in 26 colors 5 50 A M MMMMMMMMM q w 7qxzZZ qiHAMMMMMMMMMMMMM mnmM M mMm r Available color scales on the ARK 10000 can be broadly divided into 2 types Relative color scale and Absolute color scale Relative color scale Normalize A histogram of a map is calculated and then an appropriate increment Step and intermediate value Middle are automatically set for the best possible use of the color scale The set increment and intermediate value cannot be changed Select the number of color and color scheme
163. ield select the number of a map and a layout Using the scroll bar press the button with the desired map number and layout Scroll bar 6 For each individual map select the left or 1 right eye C Use the R or L button To display maps of both eyes designate the Axial right eye R for the maps on the left side and the left eye L for the maps on the right side R L To display maps of either left eye or right eye only designate either the right eye R or the left eye L for all the maps Pressing in the Map View screen switches between the right eye map and left eye map ZARO A AAAA EE 29 7 For each individual map select a map type 1 Press a map button Map types are listed 2 Press a desired map type See 5 1 Color Maps When selecting Wavefront Group gt The Zernike Coefficient Selection dialog is displayed See 5 2 1 5 When selecting the Wavefront Group map When selecting Zernike Graph gt The Zernike Coefficient Graph Settings dialog is displayed xial Instantaneous Refractive Elevation Evel mage OFE Target Refractive Internal OPD wavefront HO wavefront Total Wavefront Group fernikeGraph Difference See 5 2 1 6 When selecting the Zernike graph and displaying the RMS graph See 5 2 1 7 When selecting the Zernike graph and displaying the Coefficient graph When selecting Differen
164. if the performed measurement type is different between the right and left eyes the warning dialog is displayed after is pressed SS xi Only one eye has been measured inthe measurement modes and data of only one eye has been obtained Are you sure you wantto printthe data Cancel To finish measurement and saving the measured data gt Press the button To continue measurement without saving the measured data gt Press the Cancel button e If the amount of misalignment during measurements is 0 3 mm or more pressing the button displays the following warning dialog against the misalignment Warning The measurement position during the following measurements is shifted greatly Are you sure you want to printthe data Right AR and CT Let AR and CT Cancel It is recommended to press the Cancel button and re measure the eye To finish measurements and save the measured data press the button HANDLING ADVANCED FUNCTIONS MORE EFFICIENTLY 5S ZrO RUU AAA AA This section explains more advanced functions to allow you to use the ARK 10000 more efficiently Displayable maps 5 1 Color Maps Specifying usually applied map sets gt 5 2 1 Setting View 1 View 2 and View 3 Setting an usually applied color scale gt 5 2 2 Setting a color scale Displaying PSF gt 5 2 3 Displaying PSF Changing a currently displayed map on the Map View screen gt 5 3 Changing Displayed Maps
165. igmatism 1 28 D 3mmzone Smmdzone S 4 08 Se pile 3ammzone Smm2 500 C 0 49 cee ee a foo 0 80 161 0 49 te0 ae At ADi 460 0 48 Qi q EG iG Tl ye O S RMS 0 110 RMS D 249 Dist 0100 0 C L 1 28 cit 17 Dist 0 00 0 J MMMMWMM MM M Mq q q 7zZ7zZZZHHMMM M W M mM MMmMMM ME 2 3 Case where intraocular astigmatism increases total astigmatism Corneal astigmatism 1 69 D Total astigmatism 2 60 D Internal OPD astigmatism 1 58 D 4 00 3 50 3 00 2 50 52 00 51 50 471 00 50 50 iD 12 00 43 50 ammzone SmmZone 50 ryt a mmeone S 021 S 0 29 20 3mmzone Smmdone tithe CID ual Gr 260 C D m gog O 93 169 0 02 179 asl 3 N 65 79 1 06 89 Pye 0 46 0 00 0 C L 1 58 CYL 1 08 Dist 0 00 0 4 Case 1 where an intraocular lens is tilted The pattern in the Refractive map of the cornea is almost symmetrical whereas the OPD map represents myopia in red in the upper right of the map In the same way the Internal OPD map also represents myopia in the upper right of the map These patterns of the IOL Intraocular lens implanted eyes suggest the tilting or decentering of the IOL If the pupil is about 6 mm in diameter the position of the IOL can be checked by a spot image reflected from the surface of the IOL on the pupil image map Eye Image 44 00 53 50 2 53 00 ih 52 50 42 00 51 50 51 00 50 40 50 00 45 50 A 450 VD 412 00
166. ill be deleted button The edited data is saved with a new Exam No assigned button gt The edited data will not be saved AACO GG AOOO 9A 5 8 4 Closing a gap Close A Detected edges This tool is for closing a gap in a detected edge close a gap 1 Enter the edge edit mode See 5 8 1 Entering edge edit mode 2 Trace an arc range containing a break to designate it Trace between both sides of a break in one stroke Releasing a finger or a touch screen pen from the panel halfway through tracing results in a designation of one side of the gap only The arc in a designated range turns red To deselect the designated arc press to return it to blue 3 Press Lx The gap in the designated arc will be bridged by a yellow dashed line 4 Make sure that the yellow dashed arc aligns to the captured placido ring and press ox The gap in the detected edge will be bridged as shown by the yellow dashed arc Press not to close the gap 5 In the same manner close a gap in an edge 6 Press to exit from the edge edit mode The display returns to the confirmation screen of detected edges 7 After confirming the edited edges press to exit the confirmation screen For data retrieved from the database designate how to save edited data from the Confirmation dialog button gt The edited data is written over original data The original data will be deleted button The edited data is saved w
167. ill be frequently shown in the case of keratoconus or a corneal transplant due to a highly irregular cornea AR 3 Right KM 0 S C A S C A 1 25 0 75 176E 1 25 0 75 17 RI R2 A RI R2 A 0 00 0 00 0 0 00 0 00 0 However if the Print High RMS Data check box is unchecked on the Settings screen low confidence measured data with the E sign is not displayed J MMMM VM MMMM Mqq q7 7ZZZAHHK CCX 7 W wMMM M mnmMMM 30 REF measurement count When the auto shot function is turned ON gt REF measurement automatically takes place in succession on the condition that the instrument is best aligned and focuses on the eye until median values S C A are automatically obtained by taking the median of the first 3 usable values When the auto shot function is turned OFF e When the AI Mode box is checked Av on the Settings screen gt Pressing the start button once triggers the instrument to perform REF measurement a single time Holding down the start button makes the instrument perform REF measurement repeatedly until median values S C A are obtained by taking the median of the first 3 usable values e When the AI Mode box is not checked d D on the Settings screen gt Pressing the start button once triggers the instrument to perform REF measurement a single time While the start button is held down the instrument keeps performing REF measurement If the Single Fogging box is checked f
168. ime the measurement select button in the lower left corner is pressed the selected measurement will be switched alternately The symbol in the measurement select button represents the currently selected measurement 4 9 Af M MMMM MMMMM 7xzZiHHZZHHATHAH 7 q wMMMM M wMMMavumMmMmMm t 5 Perform focusing 1 Instruct the patient to Look through the measuring window As you will see a picture of a balloon watch the center of it without straining Try to open your eye as wide as possible 2 Manipulate the joystick to display the Examination patient s eye on the screen By moving the joystick to the right or left pulling it forward or pushing it back the main body is moved to the right left backward and forward By turning the top of the joystick the measuring unit is moved up and down Align the eye position to the measuring point with right left up and down movements Adjust the focus with back and forth movements 3 Patient Focusing indicator Target Alignment light When using the auto tracking function 3 Manipulate the joystick to move the alignment light closer to the target k As the alignment light comes closer to the target i the activated auto tracking function will move the main body so that the eye to be measured is in alignment with the main body and in focus NOTE e The auto tracking function does not work unless the alignment light is at around the center of the mea
169. imported The button is for importing exam data ob tained by another ARK 10000 into the data Used to go to the Map View Settings screen base of your ARK 10000 where map types and a layout etc are speci fied k Used to display the Export Inside to Outside screen through which data is output to stor Used to display the Search Patient Data dia age disks such as a floppy disk etc log Used to display the Delete screen through Uad to display the Edit Patient Information which data can be deleted screen where patient data is modified or the Edit Exam Information screen where exam data is modified 3 L AL M MMM MMMMMM q q 7uzHH X _T V_ WMMWMMWMM WM M umMMMmM t Number of listed data item Used to display the Database Backup dia Shows the total number of data items A and log through which data is backed up the number of data items listed B Patient Data 20 of 20 displayed 65 C Number of data items listed B Total number of data items A Used to open the Database Settings dialog When data is not retrieved by the Search Pa en tient Data dialog below A equals B Used to re detect the edges of CT measured data saved in the database Map Selection area Used to set a layout of the maps to be dis D played on the Map View screen See expla Used to return to the measurement screen nation below for details Map Selection area Four operati
170. in advance See 5 9 1 Setting parameters p 5 93 In addition 1f the Print Mode parameter is set to Finish the ZS ZC and ZA data cannot be transmitted set the parameter to Switch or None If the parameter is set to None data is transmitted but it is not printed out 1 Measure eyes in the ARK CT mode Never press on the measurement screen 2 Display maps on the Map View screen Display at least either Zernike graph Wavefront Total map Wavefront High Order map or Wavefront Group map for both eyes It is recommended to enter 4 0 mm in the Zone box and 6 in the Order box p 5 14 3 Press Sa 000021 When the Select Patient dialog is displayed Ytwis0 2008 0 9 50 an enter patient data and press ox lt R gt eo Ea et Trial lens data calculated Measured data including ZS ZC and ZA data 8 75 9 50 79 from AR measured data is printed out from the built in printer and a EEEE OSE transmitted to the Auto Optometry System i p p p 5 B ee ae B a data calculated from AR 3 75 SE measured data VD 0 ada E 4 Omm Ord 6 5 0 0 50 90 Settings of the zone to be analyzed and analysis me 4 50 0 50 90 ZS ZC and ZA data o ae oe The TL and CL data are Trial lens TL data calculated from ZS ZC and ZA data 50 SE printed out according to In increments of 0 25 D Nw 7 UD eeu es the corresponding param Contact lens CL conversion data calculated from ZS lt R2 79 43 25 157 gt eter settings
171. irst time This section explains the first backup procedures and the backup procedures for the second time and after It is recommended to regularly back up measured data on an external storage disk such as a ZIP disk or DVD RAM in case of an internal hard disk crash Operators should be responsible for managing the obtained data NIDEK assumes no responsibility for a loss of data D 1 Preparation Have an external storage device such as a Zip drive and 2 or more storage disks such as Zip disk handy NOTE e Storage disks such as CD R CD RW DVD R which need writing software are improper for data backup The following explanation is based on the use of a ZIP drive provided with a USB connector To use any other storage device be sure to install the driver software for the device Zip is a registered trademark of Iomega USA D 2 Connection Connect a Zip drive NOTE e In the case of anon USB storage device connect the external storage device turn it on first and then turn ON the ARK 10000 ACC OOOO AOUR D 2 D 3 Setting 2 Select Database Directory Select Database Directory dialog TE Change the setting in the Backup Data field to TENS laJ OB DARK S Data IQ c6 y Backup Index See 5 6 4 3 Setting a target location for backup MEUT data imported data or exported data Backup Data J y Cumzation The internal hard disk is E aad as a target storage location
172. is checked None Printout is not made Date Format Y M D M D Y D M Y Factory setting M D Y Setting of a date format on printout Y M D Year Month Day M D Y Month Day Year D M Y Day Month Year Print No ID Factory setting Checked Selection of whether or not to print the ID No Print All KM Data Factory setting Not checked Setting of printout format for KM measured data to be applied for printing the measured data in the ARK mode When this box is checked all the KM measured data is printed out If not only KM median values or the latest KM values if no KM median values have been obtained will be printed out Print No Factory setting Checked Selection of whether or not to print patient No when data measured in ARK mode is printed out The highest patient No to be printed is designated in the Range box e g If 9999 is entered in the Range box the range of patient Nos to be printed out is from 1 to 9999 To designate the patient No enter any number in the No box EEE AAU UUAA AARAA AAA Print Contact Pwr ID No or patient No Factory setting Not checked Selection of whether or not to print CL conversion values which are basedon _ 000022 _ NAME Jun Kawano F AR median values or the latest AR val cee een ee hoe bi S VD 13 75 ues if no AR median values were ob Trial lens data mm l lt R gt S A tained and SE values whi
173. isplayed in all the maps with cross cursors displayed When displaying a distance between two desired points respectively on each individual map Specify the starting point and endpoint in each map as instructed from Step 1 to Step 3 In Step 2 and Step 3 specify the starting point and endpoint while simultaneously pressing the Shift key and the key instead of the key only ACC O OO AOOO A 65 5 4 Displaying the Difference Map A Difference map shows differences between two maps which are being displayed Note that both maps should be of the same eye Left or Right In addition be aware that it is impossible to display a difference between two Elevation maps on the Difference map The following explains one example of showing differences between map 1 and map 2 on map 3 1 Select View 1 View 2 or View 3 to PAgent Selecon e g g Dr p Last Exam Da 4 aos a ia which the Difference map is assigned ean Hopon T M zra ee oe a i 55 000002 Umino Haruka F 2000 06 27 See 5 2 1 Setting View 1 View2 and 000008 Huzie Mamoru M orna Alae View 3 or 5 2 1 8 When selecting the 000006 Kurat Tamae F 2o07 CVS E 000007 Kino Toshiya M 2000 08 03 WF6B 000008 Kawai Kazuki 2000 08 03 s 99 Difference map 000009 CA 1 2 R 2000 08 03 13 03 2 L 2000 08 03 13 04 3 R 2001 11 06 15 08 4 L 2001 11 08 17 55 Eye Date N i oomen a
174. it ss The aberration components included in the selected group are listed on the right fd Do vou delete 4nd retoil Coefficient Group 5 Press The Zernike Coefficient Graph Settings dialog is displayed again 6 Press o The selected group set in Step 3 will be deleted and the screen returns to the Map View Settings screen NOTE e Only user entered groups may be deleted or modified Factory entered groups may not be deleted or modified ZrO UUAA MMMMMMMMM nwMMM 5 amp 7 5 2 1 8 When selecting the Difference map When Difference is selected in Step 7 of 5 2 1 2 Entering anew map set the Difference Map Settings dialog is displayed The Difference map shows differences between two maps which are currently displayed Note that the two maps should be the same type of map A combination of a Refractive map and a Target Refractive map 1s allowed The following explains one example of showing differences between map 1 and map 2 on map 3 1 Select target maps Difference Map Settings O Axial Axial Axial Please select maps to differential map OK Reset Cancel Example Displaying the Difference map of Map 1 Map 2 1 Press the Map 1 button 2 Press the Map 2 button 1 2 is shown in the lower field The map selected in Step 2 should be the same map type as Map 1 se
175. ith a new Exam No assigned button gt The edited data will not be saved S 92 4M M 7TTZHwdHiMMMM MMMMMmMmMmM 5 8 5 Erasing edges Erase The tool is for erasing an improperly detected edge 1 Enter the edge edit mode See 5 8 1 Entering edge edit mode 2 Trace to designate an edge range to be erased The designated range turns red To deselect a designated edge range press to return it to blue 3 Press The designated range turns into a yellow dashed line 4 Make sure that the yellow dashed arc is the one to be erased and press on The yellow dashed arc will be erased To cancel the erasing press cone 5 In the same manner erase an edge that is substantially shifted from a captured placido ring 6 Press to exit from the edge edit mode The display returns to the confirmation screen of detected edges 7 After confirming the edited edges press to exit the confirmation screen For data retrieved from the database designate how to save edited data from the Confirmation dialog button gt The edited data is written over original data The original data will be deleted button The edited data is saved with a new Exam No assigned button The edited data will not be saved Z ZAA AAA AAAG AAAA AARE 5 9 Settings The settings of parameters date time and automatic assignment of patient ID are explained 5 9 1 Setting parameters Settings Specifi
176. ith respect to an optical axis of the cornea CT axis in the same manner as a CT measuring axis Rat Cornea general keratometer 3375 P Corneal refractive power r Corneal curvature Map title Measuring eye Measurement date and time Exam No Cross cursor at Can be moved to a desired posi This mark moves in accordance with Bety a AT AN tion Values at the cursor position the value of the cursor position 00 l ron are shown in the lower right corner 45 00 i of this map Represents a specified color ii j Seale St naicales values at the cursor posi Norm Normalize Aii uon indy individual ah Corneal TeIaCUvE power of Axial Com C omnoh tii eurvar radius Number lt inerement t Distance from the center to the cross Adj Adjustable a cursor Angle si Com Common a0 SIM K s Amount of misalignment Number Increment sean 24 29 7 2 07 a eaten 42 64 Foe Pur 43 83 i TA Distance to the corneal vertex Abs Absolute dk 4 68 0 50 Dist 00a i 7 from the measurement light Angle 26 Absolute 26 Amount of misalignment peaks sommen EMEr OMNE EON Exam 0 lt Ant of misalignment lt 0 3 Green Information screen 0 3 lt Amt of misalignment lt 0 4 Yellow 0 4 lt Amt of misalignment Red SIM K s data From the upper item Refractive power of the steepest meridian Curvature radius Angle Refractive power of the flattest meridian Curvature radius Angle dk Differen
177. kup Data field on the Select Database Directory dialog p 5 82 1 Open the Patient Selection screen Press on the measurement screen 2 Press i The Database Backup dialog is displayed If both backup destination and database are located in the same drive a message appears encouraging the operator to designate the backup destination in another drive gt Backs up data in the drive Cancels the backup process 3 Check a backup type to select Asahi Noboru Umino Haruka Hoshino Shizuka Huzie Mamoru Ueno Madoka Kurati Tamae Kino Toshiya Kawai Kazuki Hishihara Hiroyuki Isono Naoko Oobayashi Nobuko Banno Yukinobu Shimizu Kazuko Umino Hiroko Sakura Hanako Umeno Ayaka Kouno Miyuki 4 Patient Data 20 of 20 displayed PIES kell Patient Selection Map Selection view1 z 2000 06 24 AXOPD2 2000 06 27 accel 2000 08 03 C View2 ry 2000 07 18 WF6 2000 07 19 view E 2000 07 19 EANES 2000 08 03 WEGE 2000 08 03 i z 2000 08 03 2000 07 24 ea 2000 10 02 2000 10 05 2000 10 02 2000 07 04 2000 11 10 2000 07 04 2000 07 04 v nannan ng nnz nga nna ATS Es l Free up the 8000 MB of disk space by deleting the exams in order starting with the oldest T Delete the patient d Patient data eget AR OPDADX n Both patient and e ata permanently which has not been retrieved for years Database Backup ved into the ha
178. l shape adversely affect refractive powers Ray from N an infinite point q eae CT measuring axis L mm De in the eye 1000 L Dc in the air n x De n Corneal refractive index 1 376 Refractive index of the real cornea Cornea Index B The Refractive map allows the operator to check the amount of correction by comparing preoperative and postoperative Refractive maps Although this comparison involves some errors because the measuring light axis may vary among measurements Map title Measuring eye Measurement date and time Exam No jdi upili This mark moves in accor 57 Ue FEN dance with the value of the 57 0 Ns TEL cursor position 54 00 Represents a specified color scale Norm Normalize Indv Individual Com Common Number Increment D A immane Adj Adjustable w 5015007 Com Common ae Number Increment F Comment Abs Absolute S K 1 5 Smolek Klyce 1 5D 26 Absolute 26 Cross cursor Can be moved to a desired position Values at the cur sor position are shown in the lower right corner of this map Indicates values at the cursor position Corneal refractive power Distance from the center to the cross cursor Angle Amount of misalignment Par 45 79 Distance to the corneal vertex Dist 0 00 0 from the measurement light Angle See the footnote on p 5 3 Amount of misalignment 0 lt Amt of misalignment lt 0 3 Green 0 3 lt
179. lected in Step 1 Otherwise selected maps will not be shown in the lower field To re select a map type press to go back to the Map View Settings screen and change the map type 2 Press OK The screen returns to the Map View Settings screen 3 Press Sl The Message dialog is displayed 4 Press Yes Difference Map Settings Axial Axial 1 2 OK Reset Cancel MapView Settings OO Axial Axial i 4 o Map Set Standard map Layout S 48 L M MW M MMMMM q zZz zxzZ2ZTZ M MM MM M W Mm7MM t MNnv 5 2 1 9 Deleting a map set User entered map sets may be deleted whereas factory entered map sets the map sets shown in blue and Standard map may not be deleted 1 Open the Map View Settings screen Press on the Patient Selection screen or Map View screen 2 Select a map set to be deleted from the Map MapView Settings View Set field of View 1 a fe wo A map set of View 2 and that of View 3 atl oad Elevation Elevation re may be selected in the same manner ursor 8 ro ursor OODE OTO Refractive Refractive 3 Press _ 9 The Message dialog is displayed Message x Do you delete Map Set 4 Press The selected map set is deleted and Standard Cancel map will automatically be selected in the
180. liability of numerical data WF error ZS ZC ZA on the Wavefront High Order map Wavefront Group map Wavefront Total map and data on the Zernike graph may be lower In such cases it is recommended to decrease the Zone value to exclude the noises from the area to be analyzed Noises Before starting CT or KM measurement instruct the patient not to move his or her eyes A CCD camera that captures 30 frames per second is used for CT and KM measurements However it has been verified that the motion of the eyes during measurement causes the captured image to blur and this lowers the measurement accuracy 9 As this Operator s Manual includes various instructions read the manual when turning ON or OFF the instrument saving patient data measuring eyes and printing measured data for the first time Use the instrument safely and properly as instructed in this Manual C 300 WWAVMMqz lT7TTZ7ZAZZHHTH MMM MMmmMmM 0M0MMWuUUU OPD Scan Error Number Table Turn OFF the instrument once and turn it ON again Ifthe Hardware error same error No still appears contact your authorized distributor 200 201 230 231 2st above Measure the same eye Ifthe same error No still appears As above eas contact your authorized distributor Shut the instrument down once If the same error No still As above eed appears contact your authorized distributor 311 312 Detection error of AR Measure the same eye Ifthe same error No sti
181. ll appears measuring ray contact your authorized distributor Turn OFF the instrument once and turn it ON again Ifthe Hardware error same error No still appears contact NIDEK or your authorized distributor The patient may have blinked during AR or REF 333 Blink Err measurement Measure the same eye again lf the same error No still appears contact your authorized distributor The patient may have blinked during KM measurement 334 335 As above Measure the same eye again lf the same error No still appears contact your authorized distributor 380 381 381 As aboe above As aboe above e e printer paper has run aa a the specified printer paper roll See p 7 1 of The head lever of the Flip the printer head fixing lever upward See p 7 2 of The thermal head of the Do not operate the internal printer for 10 minutes Ifthe internal printer is same error No still appears contact NIDEK or your overheated authorized distributor Error Nos 240 311 312 and 314 are shown in the lower middle area of the measurement screen where the latest AR measured data is displayed Error Nos 333 334 and 335 are displayed in the lower middle area of the measurement screen where the latest measured data is displayed as Blink Err in red MMMMWMM MMMMMM q q zZzTAAAHMMMMMMMMMMMmMMmM M MMu Ui C 4 OPD Scan Error Message Table Turn OFF the instrument once and turn it ON ERR X Hard
182. lt i Exam SPH CYL AXIS Simk1 Simk2 dk ef O60 mm Fupil mm Corneal refractive index and range BL 075 050 62 43 66 7 7398 43 05 7 S40 6 06160 11 0250 06 5 27 6 77 MPdst 0480272 BR 075 050 63 43 407 76S 42 9907 880172 0 660123 OB0C0 36 5 69 6 99 MPdst 0 160105 where the Q value is obtained ___ cornea Index n 1 3375 ix Ins n 1 3760 Ref Ref 0 6 0mm 12 Q value represents asphericity of the cornea Q lt 1 Hyperbola Q 1 Parabola lt Q lt 0 A part of prolate ellipse Q 0 A part of circle 0 lt Q Oblate ellipse p 1 Q 1 K 1 S l e p aspheric const K conic const Q asphericity S Shape factor e eccentricity 7 7 Parabola Hyperbola N Nor Circle Oblate alas Prolate ellipse J MMMMMVWMW MMM 7 7T 7q ZZzHHTZ HHZHZHx Z MM ZWM mMwMM wMMM A 25 5 2 Specifying Maps in Advance Map View settings Specifications for maps on the Map View Settings screen are explained NOTE e The specifications made on the Map View Settings will be maintained even though the instrument is turned OFF 5 2 1 Setting View 1 View 2 and View 3 The most frequently used three map sets are assigned as View 1 View 2 and View 3 When opening the Map View screen from the measurement screen gt A map is displayed with the layout of View 1 When opening the Map View screen from the Patient Selection screen gt
183. lthough the modifications are temporarily applied to the map The modifications will be canceled when you select another patient s data or turn off the instrument Changing to another exam Changing the layout Changing the map type ID 000001 and overlay options sa Switching between the left eye and right eye 30 SIM K s SIM K s Changing the color ara 43 89 7 69a 69 44 06 7 6690 scale no ATT OPP en 79 45 40 7 83 dk 0 12 0 02 dk 0 96 0 47 Enlarging Selecting a map type gt 5 3 1 Changing map types and overlay options Changing overlay options gt 5 3 1 Changing map types and overlay options Changing a color scale gt 5 3 2 Changing the color scale Changing to another exam gt 5 3 3 Changing an exam displayed on a map to another exam No Changing a layout gt 4 6 3 Displaying a map on another map set Switching between a left eye and right eye gt 4 6 4 Switching between the right eye and left eye Enlarging a map gt 5 3 4 Zooming in on a map MMMM MM MMM W Wq q7ZZ 2ZAHHH TxwTVTTZ7W W W MMMMMMMMm nuMmM mMmr _ S 5T 5 3 1 Changing map types and overlay options For each individual map that is displayed a map type and overlay options can be changed The Difference map cannot be selected from the Map View screen Select the Difference map from the Map View Settings screen 1 On the Map View screen press the title of
184. m Information Sphero cylindrical parameters S C and A calculated from the data over Cross cursor Can be moved to a desired posi tion Values at the cursor posi tion are shown in the lower right corner of this map Indicates values at the cursor position Refractive power of OPD VD 0 Fixed Distance from the center to the cross cursor Angle Amount of misalignment Distance to the corneal vertex from the measurement light Angle See the footnote on p 5 3 AMM ONE S 0 75 C 050 p Pwr 0 26 IMS O25 Dist 0 00 0 Amount of misalignment 0 lt Amt of misalignment lt 0 3 Green 0 3 lt Amt of misalignment lt 0 4 Yellow 0 4 lt Amt of misalignment Red 3mm dia and 5mm dia circles are obtained by the fitting of each circle least squares method Data is shown in yellow if no pupil outline is ob tained These approximate S C and A values alone do not tell the actual refrac tive error distribution The reliability of these values is expressed by RMS Root Mean Square fit error The reliability decreases with the increasing value of RMS and the RMS of 0 means that the refractive error distribu tion is expressed perfectly by the sphero cylindrical parameters The RMS of a regular astigmatic eye is less than about 0 5 An eye whose RMS is higher than 0 5 is regarded as an eye with an irregular astigmatism 360 gt Dea 0 E Dsca 0 RMS 4 360 Dptr Th
185. measurement or a failure of the instrument may result An injury from the instrument being knocked over by a shock may also result e Keep the touch screen panel away from direct sunlight or excessive ultraviolet rays They will damage the touch screen panel 2 2 J MMMMMMMVTM qMH qq 7qT 7q7ZzZZHAAHTHHZXHZHZ M JM Mm wMwMM CAUTION e Install the instrument under the following conditions Dust free environment Disturbance light free environment Vibration free and shock free environment e Install and use the instrument in a place where the temperature and humidity are maintained to the following Use conditions Temperature 10 to 35 C Humidity 30 to 75 Non condensing The instrument has been tested and found to comply with the limits for medical devices to the IEC 60601 1 2 2001 and Medical Device Directive 93 42 EEC These limits are designed to provide reasonable protection against harmful interference in a typical medical installation This instrument generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to other devices in the vicinity However there is no guarantee that interference will not occur in a particular installation If this instrument does cause harmful interference to other devices which can be determined by turning the instrument off and on the us
186. measurement screen Open the Select Calibration Menu screen Select Calibration Menu Press vixe Open the screen for CT measurement calibration Mount the provided model eye See 7 4 Checking Measurement Accuracy Bring the model eye into focus and measure the provided model eye The confirmation screen for the captured image 1s displayed Check the captured image and detected ring edges If the they are satisfactory press The confirmation screen for the captured image is displayed again If the captured image and detected edges are not satisfactory press cance Perform the CT measurement again Check the detected ring edges If they are satisfactory press on Be sure to check the detected ring edge because they are different from the ring edges detected in Step 6 If the detected edges are not satisfactory press cance Perform the CT measurement again In the same manner as Step 5 to Step 7 perform measurements four times additionally five times in total Press Calibration is started and the screen returns to the Select Calibration Menu screen Press The screen returns to the Settings screen EEE AAA UUAA ARAA UAA P 11 Press The Exit confirmation dialog is displayed 12 Press to go back to the Windows screen Exit The SAB TOUU0 software Cancel 13 Press the icon of OPD Scan twice in succession to restart the ARK 10000
187. measures your eye to find which kind of lens fits you The weak infrared ray used in the measurement does not harm your eyes 3 Set the measurement mode to the ARK Every time the measurement mode button the second button from the left in the bottom 1s pressed the measurement mode is alternately switched See 4 3 Selecting the Measurement Mode 4 Set the measurement type to the AR gS Every time the measurement select button in the lower left corner is pressed the selected measurement will be switched alternately The symbol in the measurement select button represents the currently selected measurement 5 Perform alignment and focusing See Step 5 of 4 4 1 AR and KM measurements NOTE e The two dotted circles on the measurement screen represent the 2 mm diameter and 6 mm dia zones on the cornea to be AR measured If eyelashes are on the innermost circle the reliability of the measured data will be lower In such cases instruct the patient to open his or her eye wider MMMMMMMM MM WM q q77ZzZzHKQ C _ MMMMMM M MMMmmmMmMMMM v_ 14 6 Performing measurement When using the auto shot function Ar AR measurement takes place automatically when the instrument is best aligned and focuses on the eye When not using the auto shot function A Press the start button on the joystick AR measurement takes place On the touch screen panel the latest AR values are
188. ment 1 mm Alignment method e Working range of measuring unit Back and forth manual 29 mm Left and right manual 5 mm Up and down motorized 28 mm e Working range of auto alignment Up down left and right 4 mm dia on cornea Back and forth Focusing direction 2 mm Alignment observation and measurement indication e Observation area 14mm x 8 mm e Alignment observation method 10 4 inch TFT Color LCD 640 x 480 Analysis and items on display Map type Axial Instantaneous Refractive OPD Difference Target Refractive Internal OPD Elevation Wavefront High Order Wavefront Total Wavefront Group Zernike graph Index AR measured data SPH CYL AXIS SimK Steep Flat Delta e Q photopic pupil diameter mesopic pupil diameter distance between the photopic and mesopic pupil centers direction J MMMMMM W q 7 7q qTZHH ZX Z T mMMM 9 3 Recording method 58 mm high speed thermal line printer Built in printer Auto Refraction and KM measured data Storage FDD 2 mode HDD Built into the main body Data import export RS232C Ethernet USB Dimensions and weight Dimensions 290 W x 520 H x 499 D mm Weight 25 kg Power source Power source 100V 120 Vac 170VA 50 60 Hz The power source is factory configured Environmental conditions In transport and storage e Temperature 20 to 60 C e Humidity 10 to 95 Non condensing Environmental conditions In use
189. ment Settings Bil Display Format Settings m Ej Select Database Directory Rebuild Database 3 Press TA The Patient ID Assignment Settings dialog pe en U CNED SE 1S displayed A ToT ASAT EET TRIG A STON CREE TREE ESET 4 Set whether or not to assign patient ID OK automatically When Auto ID assignment is selected gt i Input Patient An ID will automatically be assigned systemlD 000004 PatientiD TuE An unassigned ID in the 000001 to 999999 range is automatically entered as the initial ID BE ene ee Name in the Patient ID box At that time the patient ID is changeable Sex C Male Female It is essential to enter a last name and first Birthday 2005 06 14 name in order to complete patient entry a S LOZ MJ MMM q q q q q 7qz ZzZHHHHHTHHZZHT 7ZHZ MMM wMMMMMMMmMMMM When Manual ID assignment is selected gt gt An ID will not be assigned automatically A patient ID will not be assigned auto matically Enter a desired value A patient cannot be entered without entering a patient ID 5 Press o PAAA AAO GGG OOOO OOOO GGG 103 5 10 Formatting a Floppy Disk 10 Press The ARK 10000 can also format a floppy disk used for data output Use 3 5 inch 2HD floppy disk on the Setting screen The dialog for encouraging the operator to confirm whether or not to exit the ARK 10000 appears Exit The 4AE 1
190. ment screen This sign represents a lower reliability of the measured data This sign will be frequently shown in the case of keratoconus or a corneal transplant due to a highly irregular cornea AR 3 Right KM 1 S Cc A S Cc 1 25 0 75 17 E 1 25 A 0 75 17 RI R2 A RI R2 A 7 94 7 59 170 7 94 7 59 170 However if the Print High RMS Data check box is unchecked on the Settings screen low confidence measured data with the E sign is not displayed ERE AOU UUAA AAAA AAA REF measurement count When the auto shot function is turned ON gt On the condition that the instrument is best aligned and focuses on the eye REF measurement takes place repeatedly until median values S C A are automatically obtained by taking the median of the first 3 usable values When the auto shot function 1s turned OFF e When the AI Mode box is checked Av on the Settings screen Pressing the start button once triggers the instrument to perform REF measurement a single time Holding down the start button makes the instrument perform REF measurement repeatedly until median values S C A are automatically obtained by taking the median of the first 3 usable values e When the AI Mode box is not checked d pD on the Settings screen Pressing the start button once triggers the instrument to perform REF measurement a single time While the start button is held down the instrument keeps performing REF measurement If the
191. mmM M J M Ractory entered group and aberration components included in each individual group Aberration components included in each group in the case of 8th order Only the aberration components of up to the designated order are included Total Coefficient term Oth to 44th terms Tilt S1 Coefficient term 1st and 2nd terms Tip Tilt High Coefficient term 6th to 44th terms Coma Coefficient term 7th and 8th terms Coma Trefoil Coefficient term 6th and 9th terms Trefoil T Sph Coefficient term 12th 24th and 40th terms T Coma Coefficient term 7th 8th 17th 18th 31th and 32th terms T Trefoil Coefficient term 6th 9th 16th 19th 30th and 33th terms T Astig Coefficient term 11th 13th 23th 25th 39th and 41th terms T 4Foil Coefficient term 10th 14th 22th 26th 38th and 42th terms T 5Foil Coefficient term 15th 20th 29th and 34th terms Low S1 S2 Coefficient term 1st to 5th terms S2 Coefficient term 3th to 5th terms Astigmatism Defocus S3 Coefficient term 6th to 9th terms Coma Trefoil S4 Coefficient term 10th to 14th terms Spherical S5 Coefficient term 15th to 20th terms Secondary coma S6 Coefficient term 21th to 27th terms Secondary spherical S7 Coefficient term 28th to 35th terms S8 Coefficient term 36th to 44th terms S3
192. mponent 6 Trefoil 0 120 Number Assigned ordinal 7Coma 0 082 number in the Zernike pyramid Coma 0 140 9 Trefoil 0 176 10 Tetrafo 0 000 11 4stigm 0 034 12 Spheric Used to zoom in on the graph AA RT HH Used to open the Select Used to display or clear Color Scale dialog values Used to switch the graph to the RMS graph A Selecting a combination of the aberration components to be displayed 1 Press a group name in the upper left corner of the graph The Zernike Coefficient Selection dialog is displayed The checked aberration components are included in the displayed group 2 Select a combination of aberration Zernike Coefficient Selection components group from y in the Coefficient Group Name field 3 Press a desired group name to select Aberration components that are included in the selected group will be checked in the Zernike pyramid R A D A LE 0 R D E R za u 4 Press ok to go back to the Map View T Sale ae screen BaS The Coefficient graph of the selected group will be displayed J MMMMMMV MM MMM MM q x7zZzZAZMMMMM M M W MM MmMmMMmM Mrrv_ 5 23 Factory entered combinations of aberration components groups entered in the Coefficient Group Name field Aberration components included in each group in the case of 8th order Only the aberration components of up to the designated order are included Total Coeffici
193. munity The ARK 10000 is intended for use in the electromagnetic environment specified below The customer or the user of the ARK 10000 should assure that itis used in such an environment Immunity test IEC 60601 test level Compliance level Electromagnetic environment guidance Electrostatic 6kV contact 6kV contact Floor should be wood concrete or ceramic Discharge ESD 8kV air 8kV air tile If floors are covered with synthetic IEC 61000 4 2 material the relative humidity should be at least 30 Electrical fast 2kV for power Supply 2kV for power supply Mains power quality should be that ofa transientbourst lines lines typical commercial or hospital environment IEC 61000 4 4 1kV for input output 1kV for input output lines lines Surge 1kV 1kV Mains power quality should be that of a IEC 61000 4 5 Differential mode Differential mode typical commercial or hospital environment 2kV 2kV Common mode Common mode Voltage dips lt 5 Ux lt 5 U7 Mains power quality should be that of a short gt 95 dip in U gt 95 dip in U typical commercial or hospital environment interruptions and for 0 5 cycle for 0 5 cycle lf the user of the ARK 10000 requires voltage variations 40 U 40 U continued operation during power mains on power supply Bh eqns EP interruptions itis recommended thatthe nunc ee ida ae ARK 10000 be powered from an 61000 4 11 ee DES ere uninterruptible power supply or a battery 70 Us 70 Uz 30 di
194. n In accordance with IEC 60529 L 3 A MM MMM MM q 7T7qxziTZZ HZ ZHAHMMMMM q qMq MM M m MmMmM mmMtrr 1 4 Symbol Information This symbol on the instrument indicates that caution must be taken and it is necessary to refer to a related description in the Operator s Manual before operating parts with this symbol This indicates that the instrument is classified as a type B instrument This symbol indicates the state of the power switch If the symbol side of the switch is flipped down power is supplied to the instrument This symbol indicates the state of the power switch If the symbol side of the switch is pressed down power is not supplied to the instrument This symbol indicates the fuse rating O gt amp This symbol indicates that the instrument must be supplied only with alternating current This symbol indicates that printer paper can be torn by pulling it toward the arrow 22 This symbol indicates the keyboard connector This symbol indicates the mouse connector This symbol indicates the network connector a IOI C This symbol indicates the connector for data communication This symbol indicates the printer option connector LJ This symbol indicates the connector for an external monitor etc e lt This symbol indicates the connector for a USB device SAFETY DPE OOOO In this manual the signal CAUTION is used to designate and indicate a degree or level of s
195. n Windows The Shut Down Windows dialog opens by Wi hat do vou want the computer to do 66 99 e 5 Stand by 2 Make sure that the Shut down option is gizmo selected C Restart If not select the Shut down option with Restart in MS DOS mode key or key Cancel Help 3 Press key re A few seconds later the message It s now safe to turn off your computer appears 4 Turn the ARK 10000 OFF Be sure to turn the power switch OFF after the message It s now safe to turn off your computer appears 4 2 2 Reactivating the instrument from the power saving mode The instrument will automatically be shut off for power conservation after a set period of time of non operation In the power saving mode the Vf a title screen will dim l O ft To reactivate the instrument from the power OP D Scan saving mode do one of the following _ e Touch the touch screen panel Fa e Press any key of the keyboard e Press the start button e Manipulate the joystick to move the measuring unit to place it in front of the left eye or right eye a Me According to the status of the screen the instrument may not be put into the power saving mode The preset time of no operation can be set with the Settings screen See 5 9 1 Setting parameters deS lO CMM CCCCCCMCCMCCECAAMMMMMWMW X UU 4 2 3 Power OFF NCAUTION eWhen turning OFF the instrument be sure to foll
196. n item name indicates the item on which the sort order is based To retrieve desired data use the Search Patient Search Patient Data Data dialog See Search Patient Data r Today dialog for details p 3 13 PE asta 1 Press to open the Search Patient Data dialog Last Three Month Period Month Day From fos jn ae z Sex 2 Enter a desired specification in a pe C Mae C Female Both ee ST corresponding field and press ox j Save search specifications OK Cancel Clear To return the screen to its original status before searching press on the Search Patient Data dialog to return the specifications to the initial ones and then press or NOTE e If Save search specifications even after shutdown check box is checked the data searched with the dialog will be saved even after shutdown e The Patient Selection screen cannot list more than 5 000 items of patient data If the patient number exceeds 5 000 enter a specification to narrow the scope of a search 4 37 A AOO UUAA AARAA AAA 3 Confirm the Map Selection field on the right side of the screen Select View 1 View 2 or View 3 whose map types and layout suit your preference It is possible to change a map set assigned to View 1 View 2 or View 3 seeing I of Map Selection area p 3 11 If the patient has multiple items of measured data exam
197. n the corneal vertex to a posterior surface of a spectacle lens if a patient wears spectacle lenses Axis 1 5 Factory setting 1 Setting of the Axis indication increment 5 94 f f M MMMMMMMM qzqZHHHHHMMMMMM M M M M M MM MqmmwM mMmMM r_ Reading MIX Factory setting Selection of the cylinder value sign the reading direction of cylinder data from mixed and signs Be aware that keratometry data is shown in the mode when the radio button 1s selected When the MIX or radio button is selected the keratometry data is shown in the mode AI Mode Factory setting Checked Selection of the shot number during AR measurement and REF measurement O Al Mode _ Number of shot during AR measurement AR KM AR Until median values are obtained S C A by taking i ANOT O NROKEG REF CT REF pon fn median of the first 3 usable values When the start button is pressed once one shot of AR measurement takes place While the start AR KM AR button is held down AR measurement takes place heck ne REF CT REF repeatedly until AR median values are obtained S C A by taking the median of the first 3 usable values When the start button is pressed once one shot of AR KM AR AR measurement takes place While the start REF CT REF button is held down AR measurement takes place repeatedly Not checked Single Fogging Factory setting
198. name will be shown in yellow on a map button 5 36 4 M MMM MMM q 7qz7ZZiiHHHHHMMMM MNMM W M n wm m mmM Msi Deleting an already entered group User entered groups shown in black may be deleted Factory entered groups shown in blue may not be deleted 1 Press v of the Coefficient Group Name field The entered groups will be listed 2 Press a group to be deleted and select it 4 An Ka la 4 a eel lt 4 a R A D A L Vv 10 Iv 0 R D E R re 4 M M 1 a ho w 7 E Bi p 3 Press _ 9 The Message dialog is displayed Do you delete Coefficient Group Cancel 4 Press pocsseesenecssvesees 5 Press of Le The selected groups will be deleted and the screen will return to the Map View Settings screen Pressing will return the screen to the Map View Settings screen without the group being deleted NOTE e Only user entered groups may be deleted or modified Factory entered groups may not be deleted or modified MMMMM 0 77 THHZH T7THHHHHHZwHHHHHHW MW M muMmMMMMmMmMr__5 3 5 2 1 6 When selecting the Zernike graph and displaying the RMS graph When Zernike Graph is selected in Step 7 of Zernike Coefficient Graph Settings 5 2 1 2 Entering a new map set the Zernike jeran Coefficient Graph Settings dialog is displayed Hri The Zernike graph has 2 graph modes RMS and C
199. nd down and right and left directions See p 4 9 and p 4 22 gt Up to half of an alignment light going out of the target 1s acceptable Misalignment in forward and backward directions See p 4 10 and p 4 22 Up to two bars including the middle bar of the focusing indicator is acceptable If you try to align the measuring unit too precisely the reliability of obtained results will lower This is because an excessively precise alignment requires longer aligning time and may induce a shift of the patient s visual axis dry cornea or excess tears 3 Prior to measurement explain as below to relieve the patient s tension and prevent an excess reaction to an accidental flash of the placido during KM or CT measurement 1 After having the patient place his her forehead on the forehead rest and his her chin on the chin rest instruct as You will see a red balloon inside Gaze at it during measurement During measurement the rings in front of you will flash Keep looking at the inside of the measuring window 2 After rough alignment of the measuring unit instruct as First slowly blink your eyes once or twice 3 After making sure that the patient has blinked instruct as Open your eye wide and keep looking at the red balloon inside 4 Make quick alignment and focusing of the measuring unit and press the start button of the joystick 5 During the measurement observe the measuring eye on the panel If the
200. nformation BFAR Measurement Yes Bf Pupil Edge AR No Bf Pupil Data AR No PCT Measurement Yes 900 000 000 000 308 915 244 473 b 900 000 000 000 Bf Pupil Center AR 000 000 000 000 yf Pupil Distance 0 000 i ant AAN PIN Alen ME Dumil LIni able Map Selection _ amp View cad Name sex Group Asahi Noboru m J 20011120 AxOPD4B zo gt ee r 2000 06 24 15 41 Pa OK cance Press a patient line to be deleted on the Delete screen Pressing an item name on the upper part of the screen ID Name Sex Group Last Exam Date once sorts the data in ascending order within the item field Pressing the item name once again sorts the data in descending order To search for data use the Search Patient Data dialog See Search Patient Data dialog p 3 13 Deleting an exam exams of a patient 1 Press a patient line to select on the Delete screen ZrO UUAA AAA AAAA 5 77 3 Select data to be deleted Deleting all the data of a patient All the exams of the patient are deleted 0J Delete Sex Group LastExamDate 4 Dm OOOO J O 20011120 2000 06 27 Asahi Noboru Umino Haruka Hoshino Shizuka Huzie Mamoru Ueno Madoka Kurati Tamae Kino Toshiya Kawai Kazuki Hishihara Hiroyuki 2000 08 03 2000 07 18 2000 07 19 2000 07 19 2000 08 03 2000 08 03 2001 11 14 z gt Date Time comment voume R 2000
201. ng mode The slightly dimmed title screen is displayed To reactivate the instrument e Touch the touch screen panel e Press any key on the keyboard e Press the start button e Move the joystick to the left or right to switch the measuring eye side right or left According to screen conditions the instrument may not be put into the power saving mode TED Check Factory setting Not checked Check this check box to check if the obtained iris image is usable with the TED function or not when using the Torsion Error Detection TED function for refractive surgery using the EC 5000 R L Format R L OD OS Factory setting R L Setting of the display method for the right and left eyes R L or OD OS 5 LOO MMCMWWWW MMMMM _ f d TWHwiX xz 3X X MM MmMmMMmM r 5 9 2 Setting date and time The date and time are set on Windows 1 Call up the Windows screen 1 Press on the Settings screen The dialog for encouraging the operator to confirm whether or not to exit the ARK 10000 appears 2 Press OK 2 Call up the Control Panel window EEE ST File Edit View Go Favorites Help 1 Press 4 Start gt Gi Bact Forward Up Cut Copy Paste Address i Cowo Paa S d dd New Add Remove Options Hardware Programs Control 3 Press Control Panel Panel if w The Control panel window appears Date Time Display Use the settings in C
202. ngs screen when selecting other patient data IV Selecting a map layout from View 1 to View 3 in which maps are printed by pressing on the Map View screen Select ga of View 1 to View 3 Multiple selections of the buttons are allowed a gt Maps are printed in the layout Maps are not printed in the layout This is a temporary designation The designated layout will be reset back to that of View specified on the Map View Settings screen when selecting another patient s data Designate a map layout that is permanently applied in printing on the Map View Settings screen 3 13 Lf M MMMMMMMMMM M7ZZHZ Zz Zz ZMM MM M M M m Search Patient Data dialog Search Patient Data By using the Search Patient Data dialog the ne alias operator can easily search for patient data which meet all the entered specifications only and select desired patient s data Te p ge e008 I Sex 1 Click to display the Search Patient a E er ed Data dialog __ E Save search specifications even after shutdown 2 Enter desired specifications in the a cana cn corresponding fields and click ox ID Name Group gt Only the data whose items contain the entered characters is searched Last Exam Date gt Checking searches only for the data from the designated period back from the last measurement date Today Today s data onl
203. ntaneous radius mm Da Axial power Da 1000 x n 1 Ra Di Instantaneous power Di 1000 x n 1 Ri ae CT measuring axis n Corneal refractive index 1 3375 Refractive index of the entire cornea Cornea Index A Cornea The Instantaneous map that presents subtle changes in corneal surface is suitable for checking patients eyes for early stage keratoconus etc Map title This mark moves in accordance with HA eye Measurement date and time Exam No the value of the cursor position rer o Cross cursor am Can be moved to a desired po Represents a specified color AF 0 sition Values at the cursor po scale rT sition are shown in the lower Norm Normalize right corner of this map Indv Individual Com Common Number Increment Adj Adjustable Com Common Indicates values at the cursor position Corneal refractive power of In stantaneous Curvature radius Distance from the center to the 15 i Number Increment 1 cross cursor Angle Abs Absolute aT St Ri ni Si a S K 1 5 Smolek Klyce 1 5D SO 49 45 7 95 en 20 Par 43 83 7 70 Amount of misalignment 26 Absolute 26 dk 1 52 024 Dist 0 000 0 Distance to the corneal vertex Coyfment from the measurement light Angle Color of letters 0 lt Amt of misalignment lt 0 3 Green Amount of misalignment Values calculated from the data over 3 mm dia circle From the upper item Comment Input on the Refrac
204. o Outside Import Export A gt ii DY Name _ Sex Group LastExa Result 2000 06 24 Asahi Noboru Umino Haruka Hoshino Shizuka Huzie Mamoru Ueno Madoka Kurati Tamae Kino Toshiya 2000 06 27 2000 08 03 2000 07 18 2000 07 19 2000 07 19 2000 08 03 2000 08 03 2001 11 14 2000 07 24 2000 10 02 2000 10 05 2000 10 02 2000 07 04 2000 11 10 M gt Patient Data 23 of 23 displayed Kawai Kazuki Hishihara Hiroyuki Isono Naoko Oobayashi Nobuko Banno Yukinobu Shimizu Kazuko Umino Hiroko Sakura Hanako NAUMAN S NHS nNsnnsnnNs Selected file size 0 00 KB Outside free space 1 39 MB If patient data with the same ID already exists in a destination If patient data with the same ID already exists in a destination the Same patient ID exists dialog appears in Step 7 To add the imported patient s exam data under the existing patient s personal data gt Press m A message encouraging the operator to confirm the addition appears Press Yes To delete exam data on a destination Press cp Same patient ID exists Inside 000018 000018 Banno Nakao Last Name First Name Yukinobu Arisa Middle Name Date of Registration 06 24 2000 08 27 2000 Sex M F Address1 Address2 Different Item 4 If a patient ID or the patient data on a floppy disk Outside or in the database Inside is incorrect y 1
205. o display on screen help related to the screen 69 ID and buttons Used to open the Select Patient dialog for patient data entry such as a patient name or patient data selection After entering patient data the ID No and patient name are displayed on the buttons surement When exam data has been saved in the database after printout the button changes into B O Used to switch the screen to the Map View screen The latest exam data will be displayed in the map layout of View 1 ea Used to delete the exam data which is being displayed on the screen ey Used to switch the screen to the Patient Se lection screen Used to switch the screen to the Settings screen where various settings can be speci fied So Used to exit the ARK 10000 software and turn the instrument OFF Be sure to use this button when turning the instrument OFF Never turn the instru ment OFF by pressing the power switch as it may result in a malfunction MMMM VMMMW q q q W qzZz7z7 7ZZAAHHHMMMMMMMMMMM M mvMmMmMJ zv 8 Map View screen The Map View screen can include 6 maps at the maximum Because 6 maps cannot be fit into the screen at a time scroll through all the maps using the scroll bar on the right side to view the six maps In addition pressing N below the color scale of each map enlarges that map only The available map types are Axial map Instantaneous map Refractive map Elevation map OPD
206. o exit the power saving mode and return to normal mode e PSF Abbreviation of Point Spread Function This function simulates what kind of image is formed on the retina when the patent looks at a point source of light like a star 2 LU M MMMMMMMMq q 7 xzZzZ7HHHAHH TZ2 Z M MMMM mn MmMmmMMM e Q value A value which is referred to when selecting a contact lens This represents asphericity of the cornea e REF measurement AR measured data and OPD map are obtained by scanning the fundus with slit shaped ray bundles and measuring it in increments of 1 in the 2 mm to 6 mm zone that is divided into 4 e Trial Lens Data Data where the AR median values or the latest values when the median values have not been obtained are examined and indicated by a cylindrical value cylinder reading direction which would make a spherical trial lens have a lower power for convenience e Vertex Distance The distance between a corneal vertex to the posterior surface of the spectacle lens ACCU en e To carry the instrument to another location its base should be held on both sides Never hold the forehead rest main body or measuring unit If a part other than the base is held an injury or failure of the instrument may result e Install the instrument in the locations instructed in 2 1 Storage Transportation and Installation e It is recommended to install the instrument in a dimly lit room to minimize the adv
207. oa L I EY 2 Designate two exams whose difference is to 5 sisi visas R be displayed Example Obtaining the difference between Exam No 1 and Exam No 4 of a patient whose ID is 000009 1 Press the patient s line whose ID is 00009 a desired patient line Exams of the selected patient are listed in the lower field Map 1 button Map 2 button Asahi Noboru Umino Haruka 000003 Hoshino Shizuka 000004 Huzie Mamoru 000005 Ueno Madoka 000006 Kurati Tamae 2000 07 15 000007 Kino Toshiya a 2000 08 03 Kawai Kazuki 2000 08 03 2 Press the line for Exam No 1 to be displayed on map 1 3 Press the Map 1 button 1 is entered into the Map No box of the exam line selected in Step 2 L 2000 08 03 13 04 R 2000 08 03 13 03 L 2000 08 03 13 04 R 2001 11 06 15 08 Booties 1755 4 Press the line for Exam No 4 to be displayed os al S Si J E B e on map 2 1D 000009 MapView Hishihara Hiroyuki 1D 000009 5 Press the Map 2 button 2 is entered into the Map No field of the exam line selected in Step 4 3 Press O The Map View screen including the Difference map opens laa Al L Select Settings S 66 4M MMM 7 77T77T777TTTHHHHHHHATZZHTZ 1TZZHH W W M W M M nuMm Mm ui 5 5 Manual Pupillary Distance PD Measurement If the Auto PD check box on the Settings screen is che
208. obayashi Nobuko 000012 Banno Yukinobu 000013 Shimizu Kazuko 000014 Umino Hiroko 000015 Sakura Hanako 000016 Umeno Ayaka 000017 Kouno Miyuki eje nannan ng nnz ngana nmng Database Backup m Sack up the exams savea mta the hard disk to high capacity media Differential All Hugg DARK Nata g leks Free up the 8000 MB of disk space by deleting the exams in order starting with the oldest Delete the patient data permanently which has not been retrieved for years OK Cancel Patient data is backed up into the OPD IDX nnnn disk Both patient and exam data are backed up into the OPD BAK nnnn disk Message E4 Insert the cartridge labeled OPD B4K 0001 Cancel Back up modified data 5 10 M Back Up the exams saved into the hard disk to high capacity media Differential All From D RK 3 Data lo lis M Free up the 8000 MB of disk space by deleting the exams in order starting with the oldest l Delete the patient data permanently which has not been retrieved for years Patient data is backed up into the OPD IDX nnnn disk Both patient and exam data are backed up into the OPD BAK nnnn disk Message E Database backup has been completed D T A MMA C MM Al qHH W FEQqHAAHT Z X 7 M W M M m Mw mM m Mm The following is one example of managing disks Ex
209. oefficient The following explains the settings to be made for RMS graph display C Coefficient Graph The graph represents grouped results of aberration components The root sum square values of the components entered for each group are displayed This map is especially useful for confirming aberration components such as coma aberration or defocus 1 Select the RMS Graph radio button of the Graph Mode field 2 Press i The entered group set names are listed fernike Coefficie Graph Mode RMS Graph 3 Press a desired group set name to select The group names included in the selected group set will be listed on the right Factory entered group sets V Sets Total Tilt S1 High T Coma T Trefoil T 4Foil T Sph HiAstig H Sets Total Tilt S1 High S3 S5 S7 S4 S6 S8 Factory entered group sets are shown in blue whereas user entered group sets are shown in black n ih screen The entered group set name is shown in yellow on the map button Z ernikeGrap EEE ZAU UAA RRUA AAAA Entering a new group set 1 Confirm that the RMS Graph radio button is selected in the Zernike Coefficient Graph Settings dialog 2 Press kl The field for a group set name will be cleared 3 Enter a group set name becomes active Enter a group set name 4 Insert required group names 1 Press a group name in the list on the right to
210. ogging is maintained throughout repeated REF measurements 8 Measure the other eye in the same manner 9 After the completion of measurement press or l Measured values are saved in the database simultaneously with printout See 4 7 1 Printing measured data and see 4 8 Saving Measured Data 4 31 LI MM MMMMMM q 7qqizZHHHHZHZHZHHHTHTX H W M W WMW W nw MmMmM Ma r 4 5 3 CT measurement Only CT measurement Corneal Topography measurement is performed NOTE e To obtain reliable measured results be sure to read APPENDIX C OBTAINING RELIABLE EXAM DATA at the end of this book before examining a patient s eye for the first time 1 Turn ON the power The ARK 10000 starts up and the measurement screen opens 2 Set the measurement mode to the ARK CT Every time the measurement mode button the second button from the left in the bottom 1s pressed the measurement mode is alternately switched See 4 3 Selecting the Measurement Mode 3 Set the measurement type to CT Every time the measurement select button in the lower left corner 1s pressed the selected measurement type will be switched alternately The symbol in the measurement select button represents the currently selected measurement 4 Type in a patient s ID and patient s name See Step 4 of 4 5 1 REF and CT measurements 5 Set up the patient for measurements See Step 5 of 4 5 1 REF an
211. oints in a 6mm dia zone on the cornea In detail this map shows the distribution of refractive errors of an eyeball including the corneal crystalline lens and vitreous body to be corrected when you correct the eye into emmetropia A conventional auto refractometer measures refractive powers of the central eye only whereas the ARK 10000 measures refractive powers of peripheral areas of an eye which allows the operator to view refractive power distribution The OPD map also shows optical aberrations etc The data on the map is calculated when the VD Vertex Distance is zero fixed S SPH C CYL and A AXIS values shown in the lower left corner of this map are calculated when the VD is the set value on the Settings screen Map title This mark moves in accor dance with the value at the cursor position ET 5 5 4 5 AL 3 5 3 0 L l Sal d i Shows the measured data of the refractive powers of the central eye AR measured data If RMS is 1 or higher IN the characters are shown in LN yellow with the High RMS 0 indication Represents a specified color scale Norm Normalize Indv Individual Com Common Number Increment Adj Adjustable Com Common Number Increment screen About the color scale Date and time of measurement Exam No Measured eye A fe WO 12 00 imm fone S 0 40 C 0 25 Mooie RAS 0 16 Comment Comment Enter on the Edit Exa
212. on of the arrow or pull the main body forward once again to align the main body LIMIT mark LIMIT Tilt the joystick to the left LIMIT Tilt the joystick to the right LIMIT f Slightly move the chin rest up LIMIT 4 Slightly move the chin rest down LIMIT F Tilt the joystick backward toward the patient LIMIT B Tilt the joystick forward toward the operator e Thetwo dotted line circles on the measurement screen represent the innermost and outermost 2 mm dia and 6 mm dia zones to be REF measured If the patient s pupil is smaller than the outer circle only data obtained within the pupil is accurate To obtain an OPD map of the entire 6 mm diameter use a mydriatic agent without cycloplegic effects under instruction of a physician 4 23 MA MMq q lt xqq1Z 1 MqsqqT7 77Z 7TTHHHXH2 T T amp Y 7 NH w gt M eM MM on mMMMN M 0_ When not using the auto tracking function ro 3 After moving the alignment light inside the target _ bring the patient s eye into focus so that the focusing indicator shows the most ideal state by manipulating the joystick Focusing indicator Too close to the patient s eye Pull the joystick forward to move the main body away from the patient s eye Ideal state Push the joystick to move the main body closer to the patient s eye eof of of Qo fee oe Too far from the patient s eye NOTE e The dotte
213. ond jpg or bmp e g 00000920020221_173553 jpg ID Date Hour Minute Second at file output To change a target drive press ey and change the drive on the Browse for Folder dialog When saving map images on a floppy disk enter a file name following A Checking _ Reverse turns black pixels white and vice versa 5 Press ox The image file will be saved and the Message dialog will be displayed 6 Press OK Message When saving a map image changing its background Checking the _ Use Background Image and pressing 4 Saving of the map image hat been completed in the Background Image field opens the Select Background Image File Name dialog By selecting background data you can save a map image with the selected background 5 88 LMCJV MWMMMMM tHHX z X 5 a q MwM aMMMMMM J lt r 5 8 Editing Detected Edges Tools Any obstacles such as eyelashes may cause edges in red and yellow to be detected at substantially shifted positions from captured placido rings or to have breaks Edge editing tools allow you to correct edges that are shifted Four tools are available Move Used to align a detected edge that is shifted from a captured placido ring by moving a midpoint of a designated arc Extend Used to move an endpoint of the selected edge to change the selected edge in length or in direction Close Used to cl
214. ons available in the Map Selection area on the Patient Selection screen NOTE e Specifications on the Patient Selection screen are temporarily applicable to a map The map set will be reset back to the one specified on the Map View Settings screen once you select another patient Specify a permanent map set that is applied to all the patients on the Map View Settings screen Selecting a map layout from among the three map sets View 1 to View 3 to be applied to the maps displayed on the Map View screen Select desired map set to be used from among View 1 View 2 and View 3 by pressing a radio button Map 5election The map button will represent the selected layout ag P P y Radio button lew AxOPD2 Layout of View 1 WEG Layout of View 2 Layout of View3 Map button Whether or not a map is to be printed in the layout is shown In this case the map is printed in the View 1 layout and View 2 layout zerr OOU A AAA 3 C22 I Changing a layout assigned to a map set View 1 to View 3 1 Select the button which is immediately under the selected radio button of a map set View 1 to View 3 In the case of the figure on the right Fafent Pelee tot press button The screen where a map layout can be a fiw mer selected is displayed 2 Press a desired layo
215. ontrol El ar Panel to PE ah personalize Game Internet Controllers Options 2 Press Settings computer Select an ai e e e e 3 Press oserine twice in rapid succession The Date Time Properties dialog appears Date Time PA 2x Date amp Time Date Time 2 3 M4 4 5 6 7 8 9J 10 y 4 Change the date and time and press ba A aa a E 18 19 20 21 22 23 24 a a 25 26 Bi 28 29 30 s 3 12 20PM 4 r Time zone GMT 08 00 Pacific Time US amp Canada Tijuana 7 T Automatically adjust clock for daylight saving changes Cancel MMMMMM T T7qZHHHHHHZZZHTZTTZCWM MW 0WMMMMMMmMMMuure zT 5 9 3 Selecting whether or not to assign a patient ID automatically Whether or not to automatically assign the same number with System ID as an initial Patient ID at a time of new patient entry is selected NOTE e It is recommended to enter a patient identification number such as a carte number as the patient ID for data management over an extended period of time Use the patient ID automatic assignment function if it is unnecessary to manage and save data A patient ID can be changed at a later date See 5 6 3 1 Editing patient data 1 Open the Patient Selection screen Press amp on the measurement screen 2 Open the Database Settings screen Database Settings Press i fos i Backup Settings ESS Export Settings if J 5 Patient ID Assign
216. oo C 1 APPENDIX D BEFORE FIRST BACKUP PROCEDURES eeeeecccccscssssesscccccececossssssssos D 1 APPENDIX E POINTS TO NOTE WHEN UTILIZING INTERNAL OPD MAP E 1 APPENDIX F EMC ELECTROMAGNETIC COMPATIBILITY cccssssssssssssseees F 1 INTRODUCTION S I GGG 1 1 Outline of the Instrument The ARK 10000 measures the refractive condition and analyzes corneal shape of the patient s eye The refractive condition is measured by weak infrared rays and corneal shape is analyzed based on projected placido rings onto the cornea The ARK 10000 has two measurement modes ARK mode and ARK CT mode In the ARK mode AR and KM measured data are obtained and printed out AR measured data Refractive power in the central area of the eye that is equal to the data obtained by an auto refractometer KM measured data Keratometry data simulated by the analyzed result of a captured placido ring image In the ARK CT mode the curvature radius and refractive power of the whole eyeball are measured and the measured data is displayed in color maps The obtained examination data is stored in the built in database for future display of it in color maps The ARK 10000 has a main body and a measuring unit integrated on one base On the base is a chin rest on the patient s side and a floppy disk drive on the operator s side which is used to store measured results and the maps of corneal shape On the main body is a joystick and a printer which prin
217. order components Zone Analysis zone Diameter mm Order Highest analysis order of Zernike pyramid Color scale The Wavefront Total map color codes shapes of a total wavefront aberration of the Oth to a specified order up to 8th order As wavefront of the eye is positioned forward away from a reference wavefront in the case of a myopic eye the map colors become warmer As the wavefront of the eye is positioned backward away from a reference wavefront in the case of a hyperopic eye the map colors become cooler gt Reference wavefront Forward Backward gt lt Wavefront of myopic ar Wavefront of hyperopic eye 5 16 AMC W MWWMMMMMMMMM t HHTq q i X7HHZHZHZ HT ZHT W W M M M M MM re 5 1 11 Wavefront Group map This map shows the wavefront aberration components extracted from a designated group only by wavefront aberration analysis using Zernike polynomials Map title Measured eye Date and time of measurement Exam No This mark moves in accordance git Group name with a value at the cursor position a 4 00 Cross cursor FaN Can be moved to a desired position ah Values at the cursor position are ia shown in the lower right corner of this Represents a specified color map scale Norm Normalize Indv Individual Com Common Number Increment Adj Adjustable i wie error 4 482 um Het 0 000 Indicates values at the cursor position Wavefront elevation
218. ose a gap in a detected edge Erase Used to erase an unwanted edge 5 8 1 Entering edge edit mode The edge editing tools can be activated during an examination or by retrieving a saved exam in the database The method of entering the edge edit mode is explained for both cases 7 During an examination 1i Press lon the confirmation screen of the na AE detected edges to enter the edge edit mode R j The Tools dialog opens and detected edges are shown in blue s ai SN N h 28 y p Ny 4 iv Fi f A N x UA F a y j 7 5 d 7 if m1 BB it e5 111E b Nea f y i j j h i l f 7 N N N x q N i f A N N X gt Fa fd f as a hy jin A q n py atl A i f R i A AE JZ Ko D p 4 N N _ n m a 3 N D Dee p 3 a ia n A A A _ 4 lt AF Confirmation screen of a detected result j j on Retrieving an exam from the database 1 Select exam data to edit from the Patient Selection screen 2 Press After loading the CT captured image the confirmation screen of a detected result is displayed 3 Press to enter the edge edit mode The Tools dialog opens and detected edges are shown in blue NOTE Edge edit mode e Only exams obtained on your ARK 10000 can be edited on your ARK 10000 by retrieving them from the database Imported data from another ARK 10000 cannot be edited on your ARK 10000 AACO O GG AAG
219. ow Steps 1 to 4 as below instead of turning OFF the power switch Turning OFF the power switch of the instrument before Windows is shut down may cause a loss of data or a failure of the instrument If the instrument cannot be operated through the touch screen panel or keyboard and therefore Windows cannot be shut down turn OFF the power switch once and turn it ON again and confirm that the instrument operates properly 1 Press on the measurement screen The Shutdown dialog opens Shutdown 2 Press i The software ARK 10000 and Windows are shut down the measuring unit is moved to its lowest position and the power to the instrument is automatically shut off after approx 30 sec 3 If an optional color printer is connected turn the printer OFF 4 Put the dust cover on the instrument To exit the ARK 10000 software and return to the Windows screen Oxxx 1 Press Ed on the measurement screen Settings The Settings screen opens pastoral ae RS232C Print Mode Date Format Baud Rate Switch C YMD 9600 C Finish C None Axis C 1375 OPD Mode ARK Mode Bit Eom Qa rae V Print No ID JT Print All KM Data y cs Patient No 38 Start Bit Start Bits _ e Reading J7 Print No o 2 IV Single Fogging C MIX No 1 1 Stop Bi
220. p amp 4 Press to select patient s data line to be output Export Inside To Outside Pressing an item name on the upper part of the aJ screen ID Name Sex Group Last Exam Date e a a te 7 000004 Huzie Mamoru M 2000 07 18 sorts data in ascending order within the item ae ee ee i evens Kino Toshiya M 2000 08 03 field Pressing the item name once again sorts data in descending order To search for data use the Search Patient Data dialog See oa Search Patient Data dialog p 3 13 Kawai Kazuki F 2000 08 03 Hishihara Hiroyuki M 2001 11 14 Date Time Comment Volume b Selected file size Press calculate button Patient Data 23 of 23 displayed Outside free space 1 39 MB ZARU RUU AAAA AA EEA 5 Press to select exam data to be output Export Inside To Outside p y Impo xport A Eg Pressing a patient line as in Step 4 automatically port meet o A selects all the exam data of the selected patient 000003 Hoshino Shizuka F 2000 08 03 000004 Huzie Mamoru M 2000 07 18 To load desired exam exams only press the ee vane mask alli 000007 Kino Toshiya M 2000 08 03 000008 Kawai Kazuki F 2000 08 03 data line s to select l E In addition pressing the second exam and after while holding the key or key down makes it possible to select multiple exams R 2000 08 03 13 03 NIDEK L 2000 08 03 13 04 NIDEK R 20
221. p in U 30 dip in U for 25 cycles for 25 cycles lt 5 Uz lt 5 U gt 95 dip in U gt 95 dip in U for 5 sec for 5 sec Power frequency 3 A m Power frequency magnetic fields should be 50 60HZz at levels characteristic of a typical location in magnetic field a typical commercial or hospital IEC 61000 4 8 environment NOTE U is the a c mains voltage prior to application of the test level F 2 AAO AAO O GUU O GOOO OOOO Guidance and manufacturer s declaration electromagnetic immunity The ARK 10000 is intended for use in the electromagnetic environment specified below The customer or the user of the ARK 10000 should assure that itis used in such an environment Immunity test IEC 60601 test level Compliance level Electromagnetic environment guidance Portable and mobile RF communications equipment should be used no closer to any part of the ARK 10000 including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended separation distance d 1 2 P d 1 2J P 80MHz to 800MHz d 2 3f P 800MHZto 2 5GHz Conducted RF 3Vrms where P is the maximum output power rating IEC 61000 4 6 150kHz to 80MHz of the transmitter in watts W according to the transmitter manufacturer and d is the Radiated RF 3V m recommended separation distance in metres IEC 61000 4 3 80MHZ to 2 5GHz m Field strengths from fixed RF transmitters as determined by
222. p is performed 5 When data backup is completed the message Database backup is completed appears Database backup has been completed Press OK This is the end of the backup procedures In case of a corruption or loss of an index backup disk If the specified index backup disk cannot be inserted because of disk corruption or a loss a a a Unig of the disk in Step 4 press Cancel Cancel e H The message asking the operator whether or ek E Do you wish to continue uzing the cartridge labeled OPD IDA0001 as a not to continue to use the index backup disk Bac enp restarts Reena appears Press An insertion of the index backup disk will never be required When there have been multiple index backup disks created an insertion of another disk will be required Insert the disk When there has been only one index backup disk created the backup mode will be canceled Enter the backup mode again to create a new index backup disk APPENDIX EY PO 7 bb BALES WHEN UTILIZING INTERNAL OPD MAP MMUMq qeCMM VqqWMMMMMMMMMMMMMMMMmwM _yr In the Internal OPD map intraocular from the posterior surface of the cornea through retina astigmatic components are calculated from the Refractive map calculated from CT Corneal Topography measurement and from the OPD map calculated from REF measurement Therefore the reliability of the Internal OPD map largely depends on whether the CT and REF measurements
223. p this manual handy to verify use whenever necessary If you encounter any problems or have questions about the instrument during use please contact your authorized distributor Table of Contents g Page I INTROPUC TION ccccsstevacesscdnccstatsvacessaetacssassecasesesuccsvateseseseuedassuctiuesessecuacsvatecceseseetsasseue 1 1 t1 Outline ot ihe MSTuUme isses ep rn aE EREE ON EER E l 1 PRAE a D E E EAE T EET E A 1 1 1 CASS CANONS P E E E E E EA E TA E T 1 2 1 4 Symbol Information ge nacers ui pares orton caerren stata uate acunsasareen entenhotiaustieas une non masauenentebenonenstnan stent 1 3 2 SAPETI oaa A 2 1 2 1 Storage Transportation and Installation ccccssssseseececeeeeceeaaeesseeeceeeeeeaeeeeeees 2 1 2 2 Plugging the Instrument In and Handling the Power Cord sseneeeeeeessssssssssssseeeeereesees 2 3 Di WW SC E E E E E 2 3 PAIESE A E T E E E EA A EA 2 8 A VIGO a E RE EE EE R E E 2 9 PA ES A ET E E AT ENE A AA A A T 2 10 3 CONTIG UIA TION eea EA A 3 1 4 PASIO USAGE se ssteesaeessetechancisechabeesecesnsneceandstechaneacbabdedecosecsestacdesestesesseczensesesesecnsecsoce 4 1 l OPE ON FON ee E E E E E EEE AEA ETEN AS 4 1 42 Power ON and Power OFF csrseticosnresitontenid iadnn reis r hOir SE ENERSEN 4 3 AE D a E E E E E AA EA canes 4 3 4 2 2 Reactivating the instrument from the power saving MOdE ccccceeeeeeees 4 4 BOW T OFE ape Sar anoa eres T E 4 5 A Oe leCUie th Measurement
224. per through the paper outlet turn the gear forward to feed the paper 2 Paper outlet Shaft ZrO OUUU AA AAA 7 2 NOTE e If the roll is set in such a way that the paper is upside down data cannot be printed on the paper Lever 6 Set the roll inside the printer 7 Flip up the lever on the right side 8 Reattach the printer cover Fit the bottom side of the cover first T 30 AM MMV V 7H77T77T77HTTTTHHTHHHHx ZHZxZ iHHM M MW WM MM n MmMmMmmMMtU 7 2 Attaching a Stack of Chin Rest Paper 1 Pull out the two fixing pins from the chin rest 2 Take out the proper amount of chin rest paper from a whole stack It is impossible to fix a whole stack of chin rest paper at a time Be sure to fix the stack with a thickness of 6mm or less Pay attention not to scatter the chin rest papers 3 Insert the fixing pins into the holes in the paper Fixing pin T T Insert the removed pins into both holes of the stack Pad of PT chin rest paper 4 Fix the stack of chin rest paper onto the chin rest 1 Insert a pin into a hole in the chin rest while holding both fixing pins and the stack of paper 2 Push the remaining pin into the other hole of the chin rest with your other hand ZrO UUAA AAA AAAA EEE 7 3 Replacing Fuses If the instrument does not work even though the power switch is ON fuses may be burnt out In such cases replace them NCAUTION e Use a specified fuse only Fu
225. porting of exam data has been completed message appears If the Same patient ID exists dialog is displayed See If patient data with the same ID already exists in a destination p 5 72 8 After saving data to a floppy disk eject it Press the eject button on the floppy disk drive CAUTION e Do not eject a floppy disk while the lamp of the floppy disk drive is illuminated Corruption of the floppy disk or a breakdown of the floppy disk drive may result 5 72 4 M MM MMMMM q q q x7zZT TwZHHK CCX xX Z Z gt mw W mMMMmMmM r Changing the destination of data output Select a desired drive and directory in the Import Export area in the Select Data Directory dialog See 5 6 4 3 Setting a target location for backup data imported data or exported data 99 It is also possible to change the destination of data output on the Export Inside to Outside screen Checking the target location for imported or exported data gt The location is shown in the Import Export field in the upper part of the screen Changing the target location for imported or exported data gt Press Q on the right to open the Browse for Folder dialog and select the target location Creating a new directory gt Press on the right to open the Create New Directory dialog and create a new directory Target location for imported or exported data Export Inside T
226. r isopropyl alcohol IPA e Cloth or cleaning towels Procedures 1 Locate the patient browrest on the OPD Scan device 2 Soak the cleaning cloth or towel in disinfecting agent and wipe the surfaces that come in contact with the patient 3 Locate the patient chinrest on the OPD Scan device 4 Take the cleaning cloth used in the previous step and wipe the exposed surfaces of the chin rest 5 Repeat this procedure following each exam CULO AON Sy MMMMM M q q qeqCq_T Xv Tz ZZ 7Z MM M MMMMM MM m MMMMMss AR REF measurement Objective measurement of refractive power e Measurable range Spherical power 20 00 D to 22 00 D VD 12 mm Cylindrical power 0 D to 12 00 D Cylinder axis angle 0 to 180 This device conforms to ISO 10342 2003 Ophthalmic Instruments Eye Refractometers Measurement accuracies required in ISO 10342 2003 are as follows Criterion Measuring range a a Test device Tolerance interva 15D to 15D OD 5 10D Spherical vertex power Maximum meridional vertex power OD to 6D Cylindrical vertex power vertex Cylindrical vertex power OD to 6D 0 25D Sph approx 0 D Cyl 3D Cylinder axis for SS elem a power 0 to 180 e Axis 0 90 a The refractive error of the test device shall not differ by more than 1 0 D form the nomical value above b Cylinder axis shall be indicated as specified in ISO 8429 e Indication step Refractive power 0 01 D 0 1
227. ractive map Elevation map Color 2D Eye Image or Internal OPD map The small red cross represents the point of the REF measurement axis measurement center in the case of the following maps OPD map Wavefront High Order map Wavefront Total map an Wavefront Group map ELE MMMMMMMM 7ZzHVT2HHZHZZ ZH _ _ Z HHTH ZH7 M WMMManwMwuwmMmM Captured image Pupil center Pupil contour Pupil Image White cross Pupil contour i 45 50 45 0 Pupil center White cross me 5 i vO doo immane SmmZone Se 450 S200 aa Gs 4 00 Wei hee RMS 00359 Pupil Image Pupil Contour SIM K s 4150 4455 764 yim od T 4256 ir aE dk 1 79 0 32 Pupil Contour Pupil image during Pupil center Mesopic pupil outline CT measurement Mesopic Cyan Photopic Violet Cyan outline Rings Detected placido ring edges LIE vol racy A EE Jal me Photopic pupil outline Violet outline SIM KS 44 29 CF GA yer Pe 42 64 7 Seven 17 dk 1 65 0 30 hr a Pa e Pre mi bi aE I a emt Rings 490 AB i SIM KS 4429 7 Ge yar 42 64 7 Seven 17 dk 1 65 0 30 Border Line MMMM MMM M 7 7 q7zZxzZAHHH 7 X 7 q 7 7 m w wMMmMMM pvQAm 5 61 5 3 2 Changing the color scale Select Color Scale The color scale for the displayed map can be changed 1 Press an area below the color scale to be re changed on a map on the Map View screen
228. ractive power of the central eye is measured KM measurement The placido ring image projected onto the cornea is captured Then the corneal curvature radius the direction of the steepest meridian and corneal astigmatism in about 3 mm dia zone in the center of the cornea are obtained from the analyzed image 4 4 1 AR and KM measurements Both AR measurement Objective measurement of refractive power and KM measurement Measurement of corneal curvature radius are performed NOTE e To obtain reliable measured results be sure to read APPENDIX C OBTAINING RELIABLE EXAM DATA at the end of this book before measuring a patient s eye for the first time 1 Turn the instrument ON The ARK 10000 starts up and the measurement screen 1s displayed 2 Prepare the patient 1 Clean the forehead rest and chin rest with a clean cloth such as gauze or cotton dampened with disinfecting alcohol When a stack of chin rest paper 1s mounted on the chin rest remove one sheet of the paper ZARU RUU AAAA AAA E 8 2 Instruct the patient to remove glasses or contact lenses 1f wearing and to sit in the chair NOTE e tis recommended to have patients who always wear contact lenses in daily life wear glasses for about one week before measurement in order to obtain accurate results This is to measure a cornea restored to its original shape after being slightly deformed by the wearing of contact lenses Overrefraction In
229. rd disk to high capacity media disk acked up in ints ee OPD BAK nnnn disk OK Cancel Back up Backs up data The backed up data will be saved and used for rebuilding the database The Back up has the following options Differential gt Only the data added and modified since the last backup will be backed up Ordinarily select this option All gt The whole database including already backed up data will be backed up Use this option if a storage disk where the backup data was saved is corrupted or after changing the target location for backup data Free up After data backup data will be deleted from the oldest one in order to free up the specified hard disk space Delete The data which has not been retrieved for the specified year will be deleted by an item of patient data This allows the operator to delete the data which is out of retention period 15 See 5 6 4 4 Setting data deletion criteria to specify a free space Long unused data will be deleted in order 16 See 5 6 4 4 Setting data deletion criteria to specify a retention period ZAROAN 4 Press al Number of patients whose data will be saved Number of patients whose The progress bar reports the progress of the data has already been save backup process qs a Back up modified data 5 10 Vv Back up the exams saved into the hard disk to high capacity media The backup may take time From DARK
230. rea only for the Axial map and Instantaneous map ae mm Curvature radius Diopter Refractive power C mm For maps other than the Axial and Instantaneous maps they are displayed in fixed units of measured data E map Diopter Refractive power Target Refractive map Diopter Refractive power Internal OPD map Diopter Refractive power OPD map Diopter T power Elevation map Wavefront High Order map Wavefront Total map Wavefront Grop map Zernike graph 5 Press g The Message dialog is displayed 6 Press Yes The specifications for the scale are saved 7 Press Gi The screen returns to the Patient Selection screen or the Map View screen Do you save the settings on the screen 5 52 AM MMM q q qz7zZ HHHHHHHHHX ZZT 2ZZTHMM q NM MmM MM sr 5 2 3 Displaying PSF The Point Spread Function PSF simulates how a point source of light like a star appears to the patient when he or she looks at it This function calculates how a point at far appears to the patient based on the amount of optical aberrations of the eye obtained in the REF measurement Be aware that in this calculation the processing by the optic nerve system of how the brain recognizes the point formed on the retina is not taken into account For this reason the simulation result may be different from what the patient actually sees 1 Check the _ Show check box in the PSF MapView Settings
231. rming refractive surgery with the EC 5000 check if the iris image is usable enough to be applied to the TED function p 4 26 EEE ZAAO UUAA AARAA AAAA 8 Judge the captured image and ring edge detection result Make a judgment based on the following conditions e No influence from patient s blinking nor eyelashes e Was the patient s eye wide open e Do ring edges appear distorted by excess tears e Did the eye shift from the measuring position misalignment e Were the ring edges detected properly The detected edges are shown in red and yellow If the captured image and detected edges are satisfactory gt Press on If it is necessary to edit edges Press a See 5 8 Editing Detected Edges If the captured image and detected edges are not satisfactory Press cant Pressing displays the Placido Intensity dialog Press to return to the measurement screen and perform the measurement again Placido Intensity i If an iris of a blue eye etc appears too bright on the captured image adjust the illumination brightness for capturing with the dialog The adjusted brightness takes effect only for a single measurement just after the brightness adjustment The placido ring will be illuminated for about 15 secs before the second measurement to prevent the patient who are surprised with the suddenly illuminated placido ring from blinking accidentally Itis possible to perform the measurement ev
232. rns the display to the Map View Settings screen without deleting the group set Zerr UUAA AA AAA EEE NOTE e Only user entered group sets may be deleted or modified Factory entered group sets may not be deleted or modified 5 2 1 7 When selecting the Zernike graph and displaying the Coefficient graph When Zernike Graph is selected in Step 7 of 5 2 1 2 Entering a new map set the Zernike Coefficient Graph Settings dialog is displayed The Zernike graph has 2 graph modes RMS and Coefficient The following explains the settings to be made for Coefficient graph display Zernike Coefficient Graph Settings Graph Mode RMS Graph Coefficient Graph The Coefficient graph represents the coefficients of the aberration components included in a group a combination of aberration components A side by side comparison of preoperative and postoperative Coefficient graphs tells the changes in individual aberration components pd Select the Coefficient Graph radio button of the Graph Mode field 2 Press v The entered group names are listed 3 Press a desired group name to select The aberration components included in the selected group are listed on the right Zernike Coefficient raph Mode C RMS Graph v Sets T Coefficient Graph T coma T Trefoil S 42 ff MJ MMM MM q q q7zZHTZHAHHH CMCTM WqMwqM q MWqM WM q
233. ry setting Not checked This parameter is for setting the method of transferring measured values via communication channels If this parameter is checked all the measured values will be transferred If the parameter is not checked only representative values or latest values if there are not represen tative ones obtained will be transferred J MMMM VM MMM Mq q q7ZzZAAHHHX Z 7 M W nmu MmMMmMMMv _ 5 299 Others The following are the other settings As for Cornea Index it is possible to specify on the Other tab of Map Settings screen Cornea Index A Factory setting 1 3375 Setting of the corneal refractive index used in data calculation for display on the Axial and Instantaneous maps Cornea Index R Factory setting 1 3760 Setting of the corneal refractive index used in data calculation for display on the Re fractive and Target Refractive maps To enter a cornea index A and corneal index R press an entry field to select and type in a desired index Auto Off This parameter is for selecting whether or not to activate the power saving mode and for presetting the period of time of no operation If the Auto Off box is checked and there is no operation for more than the set minutes the instrument will automatically be put into the power saving mode Factory setting Checked 5 min The allowable time of latent operation is set in minutes 1 minute to 5 minutes Power savi
234. s Change the installed location of the instrument and perform measurement again INVALID DATA shown in the Result box e A mismatched item was found Contact NIDEK on the Import Outside To Inside screen or your authorized distributor prohibits an import of external data into the database J MMMMMMMMMMMMM q7 i2Z2ZZZHZHZ ZiiZZZ ZHMMMMMMMMMM MMMM 3 Symptom Suggestion e The patient may have blinked during measurement Instruct the patient not to blink and try again e The eyelid or eyelashes may be obstructing the measurement Instruct the patient to open their eye wide Err code appears on the touch screen panel e The pupil may be too small for measurement Let the patient be in a dark room for a while until the pupil dilates enough and try again e The data may have exceeded the measurable limit e Restart the ARK 10000 1 Simultaneously press the Ctrl key Alt key and Delete key on the keyboard The Close Program dialog is displayed 2 Select Rk3awin 3 Press the End Task button The Rk3awin dialog is displayed Buttons are inoperative 4 Press the End Task button The ARK 10000 will be shut down and the Windows screen appears 5 Press the OPD Scan icon twice Tf buttons become inoperative on_ the measurement screen simultaneously press the Ctrl key and C key and check if a message is displayed behind t
235. s in the Zernike pyramid will be unchecked M 6 R A D v A t L oMi1w12M 1 0 3 7 D la E R 7 co lt 1 wo M a BnG a KU FN ks wP ok a y lt I M w lt l M gt m lt M on Ka 0M 31 M 32 M 33 3 Enter a group name in the Coefficient 7 e eBEERER Group Name field ALON TEF emi ana 4 Only select aberration components in the Zernike pyramid to be displayed on a color map by checking them Checks all the aberration component boxes Deselects all the aberration component boxes 5 Press o again The Message dialog box opens Do you save the entry name with the settings Press Yes The screen returns to the Map View screen The displayed Wavefront Group map will show aberration components of a selected group 6 Ne NOTE e A group selected or entered in the Zernike Coefficient Selection dialog by opening it on the Map View screen is temporarily applicable The selected or entered group will be reset back to the previous one once you select another patient or turn OFF the instrument For setting a permanent group on the Map View Settings screen see 5 2 1 5 When selecting the Wavefront Group map J MM V Vqqq7 7 qTx7ZZ7Z7MMMMMMMMMMwpye 5 19 5 1 12 Zernike graph This graph shows coefficients of aberration components in the Zernike polynomials in wavefront aberration analysis
236. s not maintained when the Search Patient Data dialog is displayed by way of the Select Patient dialog or Import Outside to Inside screen On the condition that patient data is searched using the Search Patient Data dialog the background color of the patient list is changed from white to yellow NOTE e The Patient Selection screen cannot list more than 5 000 items of patient data If the patient number exceeds 5 000 enter a specification to narrow the scope of a search zerr AA AATE E Settings screen This screen is used to make settings related to measurements the built in printer communica tion and others The screen is also used for exiting the ARK 10000 and for returning to the Windows screen Settings 1 3375 C min I Print Error J Print Error Code V Print PD R 1 3760 3760 ote Index I Auto Off IV Print All AR Data TED Check Measure Print RS232C Step YD Print Mode Date Format Baud Rate O 0 25 C 0 0 O Switch C Y M D m 2600 C 0125 C 105 C Finish G MDY C om 120 C None C DMY Axis A a OPD Mode ARK Mode az oe el Ga 2 e I7 Print No ID Print All KM Data r 2 Cs Patient No Start Bits saint J7 Print No oo os ws IV AlMode fe O _ V Single Fogging C MIX E Stop Bits Auto PD C Range 9999 d so a mm C AVECYL CoD I Print Contact Pwr p Order Odd Even C Non
237. sbacaeseavecsesestaesesesveesessseaesesess 7 1 7 1 Replacing the Roll of Printer Papet psig wersacutenuswsgeetannomcuewuannreanetenstssane stannous mentianess 7 1 Teo aC nea Stack of Chin Rest Papet csssasescansescuswesarssesnsuerassenasesesnstosaswenanesesnsneeasornances 7 3 PORDE DEA USC ara a E R E 7 4 17 4 Chieckime Measurement ACcCuUraCy ie ants xariacsayrinenscncia can enuanixerigessenusouiancte coauutaeseamues 7 5 7 5 CT Measurement Calibration cccccccccccccccccceceeeeeeeesesseseeeeeeeceeeeeeeeeeeeaeaaeaeaaeseeeeeees 7 6 TO Mea Op rare pene ine etecpan E paca se S 7 7 Jo Cleaning tie Measurement WV INGOW sessarsacracdeonnerdarrecdnterareneracdh r E 7 8 7 8 List of Parts for Replacement ca edon crrpuden sucned nornnocan san teasnersoeieasatmndanersyensasantecsncuryvidacanies 7 8 8 DISINFECTING PROCEDURES eeeeeccccccccceccssscsccsssssssssssssssssssssssssssssssssssssssssssssss 8 1 9 SPECIFICATIONS isos sceersesecseedees cats se ne ssevseseds ey seus siesevesstssseesseaseendssvssvecderisvacstesseesteisass 9 1 I 0 SCCESSORIES serrian aS E aaa 10 1 WS aA E O r T E E E A EES 10 1 10 2 COUPON Al ACCESSOS ae ccer reset steiere ioien iii NEE re LEED Eda o R EESE NEKEEN EELNEDA 10 1 APPENDILA GLOSSARY sscte se rssntsiesesndesevaiassiptasntesesssnssaasaentesessesadesesascssuatecsdesessensssessecteees A 1 APPENDAGE KIND BAAD OWN eE RE E ER E ENS B 1 APPENDIX C OBTAINING RELIABLE EXAM DATA sseseseececcccccoccosssssesssecececeesooso
238. se rating T2A 250V Use of fuses other than the specified one may cause a fire 1 Turn off the power Spare fuses are provided on the 2 Unplug the power cord from the power inlet reverse side of the printer cover CAUTION e Before a replacement of fuses turn OFF the power and disconnect the power cord from the outlet An electric shock may result 3 Pull out the fuse holders Pull out the fuse holder while pushing both sides of the fuse holder with thin screwdrivers to release the fixing clips CAUTION e The fuse holder is also used as a voltage selector Be careful not to change the numbers indicated in the voltage indication window N If the voltage setting does not match the gt SN supplied mains voltage this may cause QP s a fire or malfunction Fuse holder i Voltage indication window MEE AA UUAA AAAA P 4 Replace the fuses with the new ones and fit the fuse holder back into the original position NCAUTION e If the fuses frequently blow out do not touch the internal structure of the instrument but contact your authorized distributor Touching of the inner structure of the instrument may result in electric shock 7 4 Checking Measurement Accuracy It is strongly recommended to check both REF and CT measurement accuracies at least once a day To check a measurement accuracy use the provided model eye 1 Mount the provided model eye onto the chin rest Fix the
239. sed to return to the Patient Selection screen MMMMWW 777T7T7T7 THH CTITTTHHZHZZMMMM qM wmq MM MmMmU i _ 38 4 6 3 Displaying a map on another map set Select a map set from the entered map sets to choose the number of maps to be displayed and where to locate individual maps As for the method of entering a map set see 5 2 1 2 Entering a new map set J or R 1 on the Map View screen 1D 000001 MapView Asahi Noboru 7 1e map set Le screen opens T gt For selecting a map set from the entered fae sets with both eyes displayed fim e gt For selecting a map set from all the entered map sets Pressing the map set name shown in the upper pS part of the Map View screen corresponds to the a pressing of aa RE lt 2 Select Map set name 2 Select a desired map set 1 000001 ManView Asahi Noboru The screen returns to the Map View screen a where maps are displayed in the selected map set I Pipe coraee NOTE e A selected map set displayed on the Map View screen by the above steps is temporarily applied The above operation does not change the specifications for View 1 View2 or View3 The selected map set will be reset back to the specified map on the Map View Settings screen once you select another patient or turn OFF the instrument 4 39 Cf M MMMMMMM MMM t Wqwqw q7xZi W W W M
240. sign of the CYL shows whether the internal astigmatism increases or astigmatism counteracts total astigmatism See the table About color scale The Internal OPD map color codes the distribution of astigmatism of the internal eye When the average power is regarded as 0 D green the higher the power becomes in the negative direction the warmer the map colors become The higher the power becomes in the positive direction the cooler the map colors become MMMMMMMMW M MM q 7 7q7ZZZHTZHZ Z ZHT TV T qw q qM M M MMMMM mnmMMM NOTE 5 13 e If the map has areas with missing data interpolation or extrapolation is carried out within these areas to obtain expected data as much as possible in this way the map of 6 mm pupil is displayed Only the data within the pupil where rings have been traced is reliable Select the Pupil Contour and Rings overlay items to check the reliably measured area on the map The Standard2 map set is factory set that displays various numerical data with the Internal OPD map at the center and allows efficient checking of the measured data Standard2 includes the maps and measured data of one eye of the patient Refraction Spherical power cylindrical power and cylinder axis ob tained from the OPD map These items of data represents an error to be corrected to correct the eye into emmetro pia when VD 0 Values calculated from the data over 3 mm dia circle Values cal
241. sk drive is illuminated Corruption of the floppy disk or a breakdown of the floppy disk drive may result ZARUR UUU AAA A EEE 5 7 2 Outputting map images Save Map Image The map image that is being displayed on the screen is saved in the procedure below The map images are output in the JPEG format or in the BMP format 1 Press on the Map View screen The Save Map Image dialog opens 2 To save the map image on a floppy disk insert it into the floppy disk drive Use a MS DOS formatted 3 5 inch 2HD floppy disk See 5 10 Formatting a Floppy Disk 3 Designate an output format from the Output Type area Save Map Image Save As a 100000920020221_173553 jpg Enter ID to file name C Enter Patient Name to file name Output Type C Bitmap Background Image Jpeg Use Background Image File C BackBitmap Gradation3 BMP Kael JPEG format A JPEG file in a compressed image file format is smaller in size but lower in image quality than a BMP file BMP format A 16 bit uncompressed image file Some image processing software does not support the BMP files 4 Confirm a target drive and file name The file name is automatically assigned as When Enter ID to file name is selected ID Year Month Day _ Hour Minute Second jpg or bmp When Enter Patient Name to file name is selected Name Year Month Day _ Hour Minute Sec
242. suring field If the alignment light is off the center manipulate the joystick to move the alignment light to the center When the position of the alignment light goes outside the working range of the auto tracking the limit mark the letters LIMIT and arrow appears on the touch screen panel In such cases either move the joystick slightly in the direction of the arrow or pull the main body forward once again to make the instrument focuses on the eye again LIMIT mark LIMIT Tilt the joystick to the left LIMIT Tilt the joystick to the right LIMIT f Slightly move the chin rest up LIMIT Slightly move the chin rest down LIMIT F Tilt the joystick backward toward the patient LIMIT B Tilt the joystick forward toward the operator e The two dotted line circles on the measurement screen represent the 2 mm and 6 mm dia zones to be measured If the patient s eyelashes interfere with the inner circle the reliability of the measured data will be lowered In such cases instruct the patient to open his her eyes wide J MMMMM M MMMM q q qzxq lHHHZHZHHX wvwqWqnmM MWMqM qmw HMMMumMmMrs i 1 When not using the auto tracking function lt 3 After moving the alignment light inside the target j 7 bring the patient s eye into focus so that the focusing indicator shows the most ideal state by manipulating the joystick Focusing indicator Too close to the patient s eye
243. t clears the saved data in the memory and starts mea surement y Used to delete the exam data which is being displayed on the screen Used to switch the screen to the Settings screen where various settings can be speci fied am Used to exit the ARK 10000 software and turn the instrument OFF Be sure to use this button when turning the instrument OFF Never turn the instru ment OFF by pressing the power switch as it may result in a malfunction a Used to display on screen help related to the screen J MMMMMMV MM qq q q7Z 7TZTAAH Z Z lt XT MM M MM M MMMmuMmMM M MM iv__ 6 Measurement screen ARK CT mode The screen is displayed when the refractive power and curvature radius of the eye are measured A E 2003 MAR7 3 13 38 Examination ExamNo Patient eee AR O Right KM 0 AR O Left KM 0 S C A 5 C A A 0 00 0 00 O0 0 R1 R2 A R2 A 1 R2 A 0 00 0 00 O 0 0 00 0 00 0 a e cT ARK ER xxxX PO cr GB o REF CT OXXX Measurement select button a 6 2 Measurement mode button 8 Auto shot button 9 Tracking button 0 00 0 00 0 R 26 Measurement select button A The auto shot function is turned OFF Every time the button is pressed the measure Al The auto shot function 1s turned ON ment is selected in the order of 26 REF active and CT measurements gt REF mea The button cannot be changed into AW if s
244. t still starts in Safe Mode contact NIDEK or your authorized distributor If Scandisk is initiated gt Allow Scandisk startup If the ARK 10000 does not start up properly after Scandisk has ended contact NIDEK or your authorized distributor e If the built in hard disk space is not enough at startup a message appears during the program startup to encourage the operator to back up data and to free up disk space by deleting unwanted data In this case make more disk space as instructed Erase unwanted data Back up data on a storage disk as a ZIP disk or DVD RAM and delete the backed up data from the hard disk See 5 6 4 1 Backing up the database e When backing up or rebuilding the database connect an external storage device first turn it ON and then turn the ARK 10000 ON When designating an external storage device as a target location for backup If the external storage device has not been connected when turning the ARK 10000 ON the storage device may not be function properly 7 Windows is the registered trademark of Microsoft Corporation U S A AUU OOA A AAEE TE Restarting the instrument in Safe Mode When starting the instrument in Safe Mode shut the instrument down once after startup and restart it Be aware that the touch screen panel does not function in the Safe Mode Use the keyboard to shut down the instrument as instructed below 1 Press key while pressing key Shut Dow
245. the measured PD ZARUR UUU AAAA A AEE Order R L AR KM Factory setting R L Setting of the order of data to be printed out Data is printed in the following order R L AR data for the right eye KM data for the right eye AR data for the left eye and KM data for the left eye AR KM AR data for the right eye AR data for the left eye KM data for the right eye KM data for the left eye Print High RMS Data Factory setting Checked Selection of whether or not to display and print out low confidence AR measured data error data If the setting of the check box is changed during measurements a disparity between the displayed indication and performance may result For example even though FINISH is displayed on the measurement screen median values are not printed out RS 232C The following are the parameters related to communication Baud Rate 110 300 600 1200 2400 4800 9600 19200 38400 57600 115200 Factory setting 9600 bit sec Setting of baud rate bit transmission speed for communication Press v on the left side of the box Bit Length 7 8 Factory setting 8 Bit number for a single character used in communication Start Bits 1 1 5 2 Factory setting 1 Setting of the starting bit in communication Stop Bits 1 1 5 2 Factory setting 1 Setting of the stopping bit in communication Parity Odd Odd number Even Even number None parity function disabled Factory setting Odd Odd numb
246. tient Otherwise a Difference map cannot be generated The Difference map cannot be selected from the Map View screen Assign the Difference map to View 1 View 2 or View 3 on the Map View Settings screen Nos of maps to obtain a difference Map title This mark moves in accor dance with the value of the ER nn ____________ ___ cursor position 1 2 Represents the display mode of the scale Cross cursor Norm Normalize Indv Individual Com Common Number Increment Adj Adjustable Com Common Number Increment Abs Absolute S K 1 5 Smolek Klyce 1 5D 26 Absolute 26 Can be moved to a desired position Values at the cur sor position are shown in the lower right corner of this map Map data at the cursor position Distance from the center to the Pwr O 00 0 00 cross cursor Angle Dist 0 00 0 5 1 14 Table at the bottom of the Map View screen In the bottom of the Map View screen AR median values data that 1s equal to data measured by a general keratometer eccentricity and pupil diameter are displayed in tabular form Simulated keratometry values Max refractive power D mm Direction Dist between the photopic and mesopic Min refractive power D mm Direction AR median values SPH D Photopic pupil diameter mm Mesopic pupil diameter mm pupil centers Dist mm Direction CYL D AXIS 2 SMe ten SL NAY Eccentricity Q value analysis diameter
247. tion for backup data imported data or exported data Select Database Directory The target location for a backup database imported data or exported data is changed CAUTION e The initial data backup after changing the target location in the Backup Data field in the Select Database Directory dialog should be performed on condition that the AI option of the Back up is selected See p 5 78 e Changing the storage location in the Index Data Backup Index or Backup Data field to an improper one may result in a loss of exam data When changing factory set storage locations consult NIDEK or your authorized distributor 1 Open the Patient Selection screen Press on the measurement screen 2 Recall the Database Settings screen Press Bl 3 Press i The Select Database Directory dialog is displayed Database Settings ie el ES H A a Backup Settings FA Export Settings i IDI NAME Patient ID Assignment Settings 221 Display Format Settings Select Database Directory Select Database Directory Index DARK S Index Data D RK 3 Data Backup Index DARK 3 Backupindex Backup Data D RK 3 BackupData d Calibration DARK 3 C al Import Export as OK Cancel ladies ZAU AAAA AAEE 4 Change a desired item Designate a desired drive or directory Itis also possible to designate a desired it
248. tive power of the steepest meridian Curvature radius Angle Edit Exam Information 63 lt Amt of misalignment lt 0 4 Yellow Refractive power of the flattest meridian Curvature radius Angle screen dk Difference in refractive power between the flattest meridian and the steepest meridian curvature radius mm About color scale The Instantaneous map color codes corneal refractive powers or curvature radiuses The higher the refractive powers become smaller curvature radiuses the warmer the colors on the map become The lower the refractive powers become larger curvature radiuses the cooler the colors on the map become 10 If the amount of misalignment could not be detected the following characters are shown in red Offsets The amount of misalignment could not be detected during the measurement Offsets No data The data had been obtained with the program V1 11 or earlier and it has no information of the amount of misalignment EE ZZZUNE 5 1 3 Refractive map This map shows the distribution of corneal refractive powers calculated by Snell s law The calculated refractive powers with 1 3760 of the corneal refractive index is closer to the real refractive power This map is displayed based on the refractive powers converted into Dc in the air The distribution of corneal refractive powers tells the degree of spherical aberration This map helps the operator know the degree that errors in cornea
249. tric shock does not rely solely on basic insulation The Class instrument includes additional safety precautions that provide for the connection of accessible conductive parts to a protective earth grounding conductor in the fixed wiring of the installation Use a power outlet which is equipped with a ground terminal Degree of protection against electrical shock Type B The ARK 10000 is classified as a Type B instrument A Type B instrument provides an adequate degree of protection against electrical shock particularly regarding the following allowable leakage currents reliability of the protective earth ground connection if applicable Degree of protection provided by enclosures IP20 The ARK 10000 is classified as an IP20 instrument as such does not provide protection with respect to harmful effects due to the ingress of water although it is protected against access to hazardous parts with a solid matter such as a finger of 12 5mm in diameter Avoid immersion of any type Degree of protection against flammability The ARK 10000 is classified as an instrument not suitable to be used in a potentially flammable environment Do not operate the instrument near flammable type materials Method s of sterilization or disinfection recommended by the manufacturer The forehead rest and chin rest can be cleaned with a cloth dampened with disinfecting alcohol as necessary Mode of operation Continuous operatio
250. ts Auto PD C Range 9999 C4 Cis C2 KM Display KM Unit Parity R1R2 mm g on C Even None C AVECYL Cop J Print Contact Pwr Order Print Trial lens Pwr R L JV Send Aberration data Other Econo Print C AR KM J Send All Data m Cornea Index v Auto oft JV Print All AR Data A 1 3375 fs min Print Error JV Print High RMS Data R 1 3760 Print Error Code TED Check J Print PD RL Format RL C opios VEN OK Cancei The Exit dialog opens Exit The AAK 10000 software 3 Press The ARK 10000 software is exited and the Cancel Windows screen opens 8 Windows is the registered trademark of Microsoft Corporation U S A ACCO GG OCCORRA 6 4 3 Selecting the Measurement Mode The ARK 10000 has two measurement modes ARK mode and ARK CT mode Pressing the measurement mode button on the measurement screen switches the measurement mode between the two modes 2003 MARY Ver 112 S x 2003 MAR7 3 13 38 Examination ID Patient ExamNo oe Se ca Se f s s s i D ARO Left KM 0 ARO Right KM 0 ae E ARO Left KM 0 S C A SA 5 SCIA 0 00 0 00 0 RI R2 A 0 00 0 00 0 S C A 0 00 0 00 0 4 0 00 0 00 0 RI R2 A Ri R2 A RIRA Fa 0 00 0 00 0 CT ARK T XXX exxx cy 9 ARK CT mode Measurement mode button Measurement mode button Switching the measurement mode will cle
251. ts measured results On the patient s side of the measuring unit are placido rings and a display on the operator s side The touch screen panel not only displays a patient s eye and measured data but allows the operator to control the instrument through the panel 1 2 Indications for Use The OPD Scan is a diagnostic instrument that is indicated for use e In the automated measurement and analysis of refractive errors of the eye including hyperopia and myopia from 20 0 to 22 0 diopters spherical and astigmatism from 0 0 to 12 0 diopters cylindrical e In the measurement and evaluation of the corneal curvature of the eye WARNING The safety and effectiveness of using the data from the OPD Scan Model Number ARK 10000 has not been established for determining treatments involving higher order aberrations of the eye such as coma and spherical aberrations CAUTION Federal law restricts this device to sale by or on the order of a licensed practitioner The built in printer prints out AR measured data etc To print a map of corneal shape an optional color printer is needed ZARUR AAAA A E E 1 3 Classifications T2 Classification under the provision of 93 42 EEC MDD Class II a The ARK 10000 is classified as a Class I a instrument Form of protection against electrical shock Class The ARK 10000 is classified as a Class I instrument A Class I instrument is an instrument in which protection against elec
252. up data on a storage disk It is possible to backup data by connecting a USB or parallel port external storage drive such as a ZIP drive USB external storage device gt Connect it to the USB connector External storage device provided with a parallel port gt Connect it to the printer connector As for the connection method of each external storage device refer to the manual of the device To back up data on a storage disk designate a target directory in the Backup Data field To avoid confusion among the used storage disk such as a Zip disk be sure to assign a label to each volume 5 84 ZAAO O G OOGO 5 6 4 4 Setting data deletion criteria Backup Settings The settings are specified for data deletion when saving backup data 1 Open the Patient Selection screen Press on the measurement screen 2 Recall the Database Settings screen Database Settings Press i a o Backup Settings S Export Settings ID NAME Patient ID Assignment Settings L Display Format Settings i Select Database Directory Rebuild Database al 3 Press g Warning level at startup The Backup Settings dialog is displayed M Backup Settings Warn if the disk free space is MB or less during the startup of OPD Scan Free up the 30 MB of disk space by deleting the exams in order starting with the oldest Delete the patis at data permanently which has not been retrieved for jo year s L OK aca Tar
253. urement gt 5 CT measurement gt i the tracking button is Manual PD measurement The auto shot function is disabled during 6 Both REF and CT Corneal Topog CT measurement raphy measurements take place Only REF measurement takes place Tracking button Only CT Corneal Topography mea Used to turn ON or OFF the auto tracking surement takes place c a unction lt Manual eine distance measure The instrument automatically aligns ADE PET the measuring unit with a patient s eye Measurement mode button The auto tracking function is not ac Used to switch between the ARK mode tive and ARK CT mode Auto tracking function When roughly aligned to the corneal vertex point the 23 Auto shot button ARK 10000 automatically detects the Used to turn ON or OFF the auto shot func corneal vertex point and it performs a tion fine alignment and focusing 6 The button is selectable only when the Auto PD check box is unchecked on the Settings screen 3 7 Used to print out exam data such as AR data and corneal curvature radius with the built in printer and to save the data into the database While the data is temporarily saved in the memory the button is marked by a small circle in the upper right corner like il When starting a measurement after press ing the button the instrument clears the saved data in the memory and starts mea ZrO UUAA AA AAA Used t
254. use of the power cord and replace it with a new one Otherwise the power cord may cause an electric shock or a fire Clean between the prongs of the mains plug using a dry cloth every once in a while If dust settles thickly on them it is likely to attract moisture and may cause a short circuit or a fire 2 3 In Use CAUTION Do not allow the patient to touch the placido ring unit on the patient s side inadvertently Because the placido ring unit moves up down to the left or to night during automatic alignment do not insert fingers under the unit Fingers may be pinched in a space between the bottom of the placido ring unit and rear panel of the main body and injured 2 4 J MMMMMMMMMH q 7q 7zZ 7ZZAH ZHZ M gt MMMM M MMMMMww CAUTION Wipe the forehead rest and chin rest before every measurement with a cloth dampened with disinfecting alcohol Remove a sheet of chin rest paper if a pad of the paper is mounted on the chin rest Never smear the measuring window with fingerprints dust etc The smeared window will result in extremely lower measurement accuracy Never use the instrument for other than its intended use NIDEK assumes no responsible for any accidents or failures caused by the neglect of this instruction e The measured values of objective refractive power obtained by the ARK 10000 are intended to be used as a reference of lens prescription for the correction of visual acuit
255. ut to designate lsd a This is a temporary designation The rz Be designated layout will be reset back to that of the View specified on the Map cToPOEB Fina Sato Map Selection r View Settings screen when selecting rT Te other patient data Q EA ols E sh Wik D z a X Il For a patient with multiple items of exam data designating where to locate individual maps 1 Designate exam data to be displayed Press a desired exam data line Map button 2 Designate a map position on which the Patient Selection exam data will be displayed Map Selection p Last Exam Da c view 000007 Kino Toshiya M 2000 08 03 TEB 000008 Kawai Kazuki F 2000 08 03 I Press a map button to designate 000009 Hishihara Hiroyuki M 2001 11 06 View2 r 000010 Isono Naoko d 2000 07 24 000011 Oobayashi Nobuko 2000 10 02 Deano Yumo M p200 000013 Shimizu Kazuko 2000 10 02 000014 Umino Hiroko 2000 07 04 1 000015 Sakura Hanako F i The designated map button No will be entered in the Map No box in a list A TDL ponent 1726 with eye ti 7 L 2000 09 28 11 06 With Eye l 3 Repeat Steps 1 to 2 to designate data a L 2000 0 8 11 28 With Eye ii to be displayed and its map position This is a temporary designation The designated layout will be reset back to that of the View specified on the Map View Setti
256. ware error again Ifthe same message still appears contact NIDEK or your authorized distributor DA Me Wede eye SICG The PD window is shaded by the Make sure that the patient s arm etc does not could not be detected oe l patient s body shade the PD window See p 3 2 Measure the eye again ie l l AR measure the same eye again If the sign is E at the right side of AXIS AR measured data with low confidence _ P es still shown it is probable that the patient s eye has of AR measured data index l an irregular astigmatism or is not wide open Serial shots of AR or REF If AR or REF measuring the same eye again Finish measurement are complete The release the start button once and then press the message does not mean an error button again A printer paper has run out Set the specified printer paper roll The printer runs out of paper Set the specified printer paper roll See p 7 1 The head lever of the internal printer is open Flip The head lever of the built in printer is the printer head fixing lever upward Flip up the head lever of the printer See p 7 2 ERAN UAS Do not move the measuring unit to the other eye been moved to the other eye As described on the left J y P during measurement during measurement APPENDIX D 77 ao hfs FIRST BACKUP PROCEDURES MMUq q qcq q qwHMMMMMMMMMMMMMMmMw IMPORTANT Read the following instruction before performing data backup for the f
257. when the instrument is best aligned and focuses on the eye After repeated AR measurements until AR median values S C A are obtained by taking the median of the first 3 usable values the letters AR in the upper right of the screen will change to the blinking letters KM Instruct the patient to slowly blink once or twice to make his her corneal surface smooth and optically clear 4 After confirming that the instrument is best aligned and focuses on the eye press the start button to start KM measurement KM measurement takes place 3 times 4 A MM MM q q qnMA 77z q ZHZZHAMMMMMWM MWM wWMm m MMM When not using the auto shot function A AR measurement takes place when the start button on the joystick is pressed Repeat the measurement until AR median values S C A are obtained by taking the median of the first 3 usable values 4 After repeated AR measurements until AR median values S C A are obtained by taking the median of the first 3 usable values the letters AR in the upper right of the screen change to the blinking letters KM Instruct the patient to slowly blink once or twice to make his her corneal surface smooth and optically clear After confirming that the instrument is best aligned and focuses on the eye press the start button to start KM measurement KM measurement takes place three times The latest AR measured and KM measured median values are displayed Latest AR values and
258. whose center is the measuring light axis J MMMMMMMMMMMM 77 ZZZ HHH2TTZHHZHZHXqTZ H TMTMMM mn w wMMmMMMMMMir i 5S 7 The scroll bar permits you to view the map ant from a different direction The vertical scroll A bar also functions as the color scale Press or move a finger or a pen along the scroll bar to use the scroll bar Scroll bar Selecting a display mode and options for the Elevation map Select a display mode and options by opening the Select Map Type Pattern dialog via the Map View screen or select on the Map View Settings screen Selecting in the Select Map Type Pattern dialog Select Map Type Pattern See 5 3 1 Changing map types and Map Type Option Mire Frame overlay options a eee Select the radio button of a de Gan s pa z sired display mode Hidden Line Elevation ies Select an option as necessary OK cana mm a Selecting in the Map View Settings screen See 5 2 1 Setting View 1 View 2 Mire Frame and View 3 C Color 2D Select the radio button of a __ gt _ Color 3D desired display mode Hidden Line 3 Select options as necessary siC r OK Cancel Options Hidden Line Makes the reverse side of the wire frame invisible Only in the case of Wire Frame Cross Cursor Dragging the cross cursor displays refractive power Pwr corneal curvature radius
259. y page F 1 Follow the guidance in the tablesfor use of the device in an electromagnetic environment J MMMMMMWMVMMMM W q 7 77zZZHZHZZZ Z ZHZHTIZ2T TZHZ T q 7 W M M M M m 3 2 2 Plugging the Instrument In and Handling the Power Cord CAUTION e Use outlets which meet the specified power requirements If voltage 1s too high or low the instrument may not deliver full performance or a failure or a fire may result e Do not overload one electrical outlet A fire may result e Be sure to use a HOSPITAL GRADE wall outlet equipped with a grounding terminal in order to avoid an electric shock or a fire in the event of a power leak e Insert the mains plug into an outlet as far as the pins of the plug go Imperfect connection may result in a fire e If the instrument will not be used for a long period disconnect the mains plug from the outlet A fire may result Be sure to hold a plug instead of holding its cord when disconnecting the plug from an outlet A break in the metal core inside the cord may cause a short circuit or an electric shock Do not crush with heavy objects nor squeeze the power cord The damaged power cord may cause an electric shock or a fire If the internal wires of the power cord are exposed power to the instrument is turned ON or OFF when the power cord is moved or the cord or the plug gets extremely hot the power cord itself is damaged Immediately discontinue
260. y Week prior Data obtained for the last 7 days One Month prior Data obtained for the last 30 days Three Month prior Data obtained for the last 90 days Period Data obtained during the date range designated in the From and To fields Sex gt Select Male Male patients only are searched Female Female patients only are searched or Both Both male and female patients are searched Patient data which meet all the entered specifications only 1s searched button Used to exit to the Patient Selection screen without searching button Used to return the specifications to the initial ones ID Name and Group fields will be blanked Both of Sex will be selected and _ Last Exam Date will be unchecked The Ist day of the last month will be entered in the From fields and the current date will be entered in the To fields _ Save search specifications even after shutdown If the check box is checked the data searched with the dialog will be saved even after shutdown To return the searched patient data to the previous status before searching click on the Search Patient Data dialog to return the specifications to the initial ones and then click ox If the check box is unchecked the searched patient data is returned to the previous state before searching when the Patient Selection screen is closed Be aware that this check box is not displayed and the searched data i
261. y with spectacle or contact lenses Manifest refraction must be used as the basis for spectacle or contact lens prescription Never eject a floppy disk while the lamp of the floppy disk drive is being illuminated Damage to the floppy disk or disk drive may result When turning OFF the instrument be sure to follow the instructions in 4 2 3 Power OFF instead of turning OFF the power switch Turning OFF the power switch before Windows is shut down may result in a loss of data or a malfunction While the pointer f is changed into the hourglass fg do not perform any operation through the touch screen panel A malfunction may result or the system may lock up Since the ARK 10000 runs on Windows OS of Microsoft Corporation follow general precautions in using Windows For example before shutting the computer OFF make sure that Windows is shut down Operators are responsible for managing their data NIDEK assumes no responsibility for a loss of data Be sure to back up measured data on storage disks such as a ZIP disk or DVD RAM In case of the corruption of the built in hard disk saved data will never be usable again In addition storage disks such as CD R CD RW DVD R which need writing software are improper for data backup Do not touch the touch screen panel with anything other than fingers or the tip of a touch screen pen Contact of a hard or sharp object such as a ball point pen with the panel may scratch the panel

Download Pdf Manuals

Related Search

Related Contents

Oracle Financial Services Compliance Regulatory Reporting  Une origine levurienne pour un collage raffiné  Instrucciones de montaje y servicio Quemadores  取扱説明書 - fujitsu general  MBS /9G35/9X25/9X MDK User Man MBS-SAM9G15  TP-Link Archer T8E Quick Installation Guide    Manual procedimiento aplicación Ayudas PREVI 2012  WX-SB46FS  LG GW370 User's Manual  

Copyright © All rights reserved. Failed to retrieve file