1
2
> Retain this value for the cylinder power.
If preferably reversed between position 1 and position 2, retain the lowest value of the two cylinder
values found.
(*)
This information corresponds to the phoropter default settings.
The variation step of the cylinder power is by default 0.25 D, but it can be adjusted in the settings.
It can also be modified during the examination by selecting it in the steps display area.
Procedure - Test run, step 3 sphere power adjustment
Adjust the sphere value to maintain the constant spherical equivalent.
Perform this operation in case two power step variations have been made.
Example: if -0.50 D cylinder has been added, the sphere should be adjusted by +0.25 D
(*)
.
This adjustment, by correction of the sphere, is manual. You can do it:
On the console keyboard, by pressing on the central button.
-
no difference
, press on the keyboard’s central button on the console:
>
U
SER
MANUAL
> P
ERFORMANCE
OF
TESTS
DURING
A
REFRACTION
EXAMINATION
61
Vision-R 700 - Essilor automatic phoropter > V1 - 09-2020
Содержание VISION-R 700
Страница 1: ...USER MANUAL...
Страница 4: ...I INTRODUCTION...
Страница 8: ...II INSTRUMENT...
Страница 16: ...III ADJUSTMENTS BEFORE THE EXAMINATION...
Страница 24: ...IV BASIC FUNCTIONS FOR PERFORMING A REFRACTION EXAMINATION...
Страница 37: ...V PERFORMANCE OF TESTS DURING A REFRACTION EXAMINATION...
Страница 76: ...VI MEASUREMENT...
Страница 80: ...VII REFRACTION PROGRAMS...
Страница 93: ...VIII INSTRUMENT SETTINGS...
Страница 109: ...IX TROUBLESHOOTING...
Страница 111: ...X TECHNICAL DATA...
Страница 114: ...XI CAUTIONS WARNINGS...
Страница 123: ...No undesirable side effects USER MANUAL CAUTIONS WARNINGS 123 Vision R 700 Essilor automatic phoropter V1 09 2020...
Страница 124: ...XII QR CODE...
Страница 125: ...USER MANUAL QR CODE 125 Vision R 700 Essilor automatic phoropter V1 09 2020...
Страница 126: ...USER MANUAL QR CODE Vision R 700 Essilor automatic phoropter V1 09 2020 126...
Страница 127: ...USER MANUAL QR CODE 127 Vision R 700 Essilor automatic phoropter V1 09 2020...