Nidek Medical HandyRef-K, Руководство оператора

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OPERATING PROCEDURE: Other Measurements
3.7.5 Pupil size measurement (PS measurement mode)
This section describes operation procedure for manual PS measurement when the “ 75. AUTO PS”
(page 96) parameter is set to
“
No
”.
When this parameter is set to
“
YES
”
, the following procedure is not necessary. The pupil size (PS) is
automatically measured during AR measurement.
1
Enter PS measurement mode.
1)
Press to display page .
2)
Press to enter PS measurement mode.
2
To measure the pupil size under reduced
lighting, press
to turn off the illumination
lamp.
3
Adjust the main body position to bring the
patient’s eye into focus.
4
Press to capture image.
The screen switches from a live image to the cap-
tured image.
After image capture, instruct the patient to rest com-
fortably.
5
Press or to align the guide lines on
the pupil of the patient’s eye.
The guide line to be aligned is displayed in pink.
Pressing switches the guide line selection (R/L).
6
Press to perform measurement.
A PS value (0.1 mm increments) is displayed in the
lower part of the screen.
Guide line