Zeiss VISUREF 150, User Manual

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Operation of the device
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Measurement of pupil or corneal diameter
•
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).
•
Take an image of the eye for which you want to determine the desired
diameter. 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
( 4 , Fig. 38) will be replaced by the still captured image of the eye, and new
control elements will be displayed (Fig. 39).

The device can save up to two images per eye. If the memory store
is full, the device shows a corresponding message (Fig. 37) that
saving a new image will overwrite the oldest existing image. If this
is an image that was captured during pupil diameter measurement,
the corresponding measurement value will be deleted.