Essilor Instruments VISION-R 700, Руководство пользователя

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Red/Green or Duochrome (non smart test)
Objective
Adjust the patient’s spherical correction value in:
In far vision,
Monocular vision condition:
right eye (RE),
left eye (LE),
Binocular vision condition (RLE i.e. RE and LE simultaneously).
Procedure - Performing the test
Press .
To perform this test in the best conditions, a more softly lit environment is advised.
Ask the patient the following question:
“Look at the test and tell me if the characters appear darker to you or more contrasted on the red
background, on the green background or if they seem identical to you .”
If the answer is:
On the console keyboard, by pressing on the key " - ".
The Red/Green test is displayed in the display area in the bottom of the touch screen of the console. >
The corresponding table of optotypes is displayed on the test presentation screen. >
- darker on the red background add -0.25 D (*) to the value of the sphere. Either: >
U
SER MANUAL
> P
ERFORMANCE OF TESTS DURING A REFRACTION EXAMINATION
Vision-R 700 - Essilor automatic phoropter > V1 - 09-2020 50