
5.4 Standard Optometry Procedure ........................................................................ 25
5.5 Binocular Functional Testing Method .............................................................. 51
5.5.1 Crisscross matrix test (presbyopia) ....................................................... 51
5.5.2 Cross test (heterophoria) ........................................................................ 51
5.5.3 Cross fixation vision test (heterophoria) ............................................... 53
5.5.4 Cross ring test (heterophoria) ................................................................ 54
5.5.5 Horizontal coincidence test (horizontal image inequality and horizontal
heterophoria) ................................................................................................... 55
5.5.6 Vertical coincidence test (vertical image inequality and vertical
heterophoria) ................................................................................................... 55
5.5.7 Horizontal Maddox rod test (horizontal heterphoria) ............................ 56
5.5.8 Horizontal Maddox rod test (horizontal heterphoria) ............................ 57
5.5.9 Clock test (rotatory heterophoria).......................................................... 58
5.5.10 Worth 4 dot test ................................................................................... 59
5.5.11 Stereopsis ............................................................................................. 60
5.5.12 Divergence test .................................................................................... 61
5.5.13 Congregation test ................................................................................. 62
5.5.14 Near –point congregation (NPC) test .................................................. 63
5.5.15 Near –point adjustment (NPA) test ..................................................... 64
5.5.16 Negative-relative adjustment (NRA) test ............................................ 64
5.5.17 Positive-relative adjustment (PRA) test .............................................. 65
5.6 Customer Self-programming ............................................................................ 66
5.6.1 Self-programming .................................................................................. 66
5.6.2 Run Customized Program ...................................................................... 71
6.Troubleshooting ........................................................................................................... 76
7.Cleaning and Protection .............................................................................................. 77
7.1 Clean the forehead baseplate ............................................................................ 77
7.2 Clean the nose baseplate ................................................................................... 77
7.3 Clean the testing window ................................................................................. 77
7.4 Clean external parts .......................................................................................... 78
8.Maintenance and Care ................................................................................................. 79
9. Environmental Conditions and Service Life .............................................................. 80
10.Environmental Protection .......................................................................................... 81
11.Manufacturer’s Responsibility .................................................................................. 81
12.Symbol Description ................................................................................................... 81
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...