39
14. Press
to correct right eye spherical power with red and green sighting mark
(second-time red and green test).
1
）
0.50D is automatically added to blur the vision. Call in red and green sighting marks.
2
）
Ask the patient: the letters in the red and green side of the sighting mark, which side looks more
distinct?
If the letter in the red side looks more distinct: press “-” to increase -0.25D spherical power;
If the letter in the green side looks more distinct: press “+” to decrease -0.25D spherical power;
3
）
Repeat above steps until the definition of letters in the red side look the same as the definition of
letters in the green side.
Attention: when the definitions of letters in the red and green side can be adjusted consistent, make the letter in the red
side more distinct.
Содержание YPA-2100
Страница 1: ...YPA 2100 DIGITAL REFRACTOR User Manual Version 1 0 Date 20180521...
Страница 5: ...13 Electrical Schematic Diagram 82 14 Electromagnetic Compatibility 83...
Страница 24: ...19 Press to enlarge PD press to reduce PD 3 Press to exit PD input interface...
Страница 31: ...26 key...
Страница 42: ...37 4 Click key shift to 0 5XC 5 Click the key again shift to automatic mode Slit Prism...
Страница 55: ...50 34 Press to finish the test...
Страница 72: ...67 3 Program 1 A B C D are recommended vision test steps users can also add or delete as needed...
Страница 74: ...69 Add Key Click it to add one step automatically 4 Click key to enter program customizing interface...
Страница 78: ...73 3 Click key to popup input box...
Страница 79: ...74 4 Use CCQ 800 lensmeter to test lens data and convey the date to YPA 2100 5 Click key 6 Choose No00001...
Страница 80: ...75 7 Click key to complete data import...