Zeiss VISUREF 150, User Manual

Page: 79 / 134

Operation of the device
000000-2227-967-GA-GB-281021
73
Setting the illumination parameters
•
In order to achieve an optimum image of the pupil diameter, you can
also set the illumination parameters in Image mode. To do this, tap on
the Illumination symbol button ( 7 , Fig. 45).
Capturing images
Make sure that the patient is correctly positioned and explain the
measurement to him/her (see Section Positioning the patient and explaining
the procedure to the patient , page 57).
•
Now take an image of the eye. Focus and center the displayed live image
of the eye using the joystick.
•
Press the measuring button of the joystick (6, Fig. 3) to capture an
image.
As soon as the device has captured an image, the moving live image
( 3 , Fig. 45) will be replaced by the still captured image of the eye. The Zoom
(
5
, Fig. 46) and Confirmation (
4
, Fig. 46) functions will be enabled and the
illumination parameter setting ( 6 , Fig. 46) will be disabled.
1 Laterality
2 Captured image (still)
3 Open the review screen
4 Confirmation
5 Zoom
6 Select the illumination parameters
7 Display of user-defined illumination parameters
Fig. 46 User interface in Image measurement screen (still image)