42
26. Press to begin binocular equilibrium test (FINAL test)
1
）
Open R and L testing windows. Call in Speckle sighting mark, and 3
△
face-down prism for right
eye and 3
△
face-up prism for left eye.
2
）
Ask the patients keep two eyes on the sighting mark and compare the definitions of upper and
lower sighting marks.
If the upper sighting mark is more distinct than the lower sighting mark: press “+” to reduce -0.25D
spherical power for the right eye;
If the lower sighting mark is more distinct than the upper sighting mark: press “+” to reduce -0.25D
spherical power for the left eye
3
）
Repeat above steps until the definitions of two sighting marks look the same.
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...