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3.4.3 Working with measurements .......................................................................30
3.4.3.1 Loading a specific measurement.............................................................30
3.4.3.2 Printing various measurements ...............................................................31
3.4.3.3 Comparing various measurements..........................................................31
3.4.3.4 Deleting measurements...........................................................................32
3.5 MEASUREMENTS ..............................................................................................32
3.5.1 How to perform an acquisition.....................................................................36
3.5.2 Best Focus...................................................................................................39
3.5.3 Types of measurement................................................................................40
3.5.3.1 OSI and Light Condition...........................................................................40
3.5.3.2 Tear Film..................................................................................................42
3.5.3.3 Depth of Focus.........................................................................................43
3.5.4 Monitoring of results.....................................................................................45
3.5.4.1 OSI and Light Condition...........................................................................46
3.5.4.2 Tear Film..................................................................................................55
3.5.4.3 Depth of Focus.........................................................................................59
3.5.4.4 Result comparison screens .....................................................................61
3.5.5 Purkinje Measurement.................................................................................63
3.5.5.1 Introducing the subjective refraction........................................................63
3.5.5.2 Selecting the Purkinje option...................................................................65
3.5.5.3 Move the machine away from the patient and focus the eye ..................65
3.5.5.4 Select the appropriate option...................................................................66
3.5.5.5 Focus with the help of the directional arrows ..........................................67
3.5.5.6 Automatic capture of images and detection of searched items...............72
3.5.5.7 Validating a partial image ........................................................................74
3.5.5.8 Acquire and validate the remaining partial images..................................76
3.5.5.9 Final results..............................................................................................78
3.5.6 Printing and exporting a report of the results...............................................79
3.6 SETUP.................................................................................................................87
3.6.1 Identification.................................................................................................87
3.6.2 General visual behavior...............................................................................87
3.6.3 Save and export...........................................................................................88
3.6.4 Visual options for "OSI"................................................................................88
3.6.5 Tear Film options.........................................................................................89
3.6.6Visual options for Purkinje ...........................................................................89
3.6.7 Modify and Cancel buttons ..........................................................................89
3.6.8 Additional buttons ........................................................................................89
3.7 BACKUP..............................................................................................................90
4MEASUREMENT EXAMPLES.....................................................................91
4.1 NORMAL EYE......................................................................................................91
4.2 EYEWITH CATARACT .......................................................................................92
4.3 POST-LASIK EYE................................................................................................93
5TROUBLESHOOTING.................................................................................95
5.1 ERROR MESSAGES...........................................................................................95
