Zeiss VISUREF 150, User Manual

Page: 71 / 134

Operation of the device
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65
•
If no image is captured from which the pupil diameter can be
determined, the Zoom ( 7 , Fig. 38) and Confirmation ( 6 , Fig. 38)
buttons are disabled.
1 Refraction measurement mode, disabled
2 Pupil measurement mode, enabled
3
Laterality display
4 Live image of the eye (moving)
5 Open the review screen
6 Confirmation, disabled
7 Zoom, disabled
8 Illumination
Fig. 38 User interface in Pupil measurement screen (live image)
Setting the illumination parameters
•
In order to achieve an optimum image of the pupil diameter, the
illumination parameters can also be set in Pupil mode. To do this, tap on
the
Illumination
symbol button (
8
, Fig. 38).