Examination Of The Cornea (Illum); Fig. 19 Illum Measurement Mode Screen - Zeiss VISUREF 100 User Manual

Examination of the cornea (ILLUM)

The ILLUM measurement mode enables checking for cataracts or scratches
on the lens/cornea.
• Prepare the measurement as described in section Measuring a patient's
eye, page 28 ff. The assignment of functions to function keys is described
on page 19.
• In one of the main measurement modes, press the FUNCTION key and
then ILLUM to switch on the ILLUM measurement mode. The ILLUM
screen will be shown together with the live image of the eye (Fig. 19).
1 2
1 ILLUM measurement mode
2 VD parameter display (corneal vertex distance)
3 REF parameter display (illumination intensity for ambient illumination)
4 ILM parameter display (illumination intensity for reference illumination)
5 TAR parameter display (illumination intensity for target image)
6 Patient ID
ILLUM measurement mode screen
Fig. 19
• Press the measurement button (5, Fig. 3) of the joystick to perform the
measurement.
• After the measurement button on the joystick has been pressed, the
image will freeze (Fig. 20). The function key assignment changes as
follows:
SET CLEAR
3 4 5 6
MSR
IMAGELIST
Operation of the device
IOL RETURN
ZOOM RETURN
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