18
Binocular: circular polarized optical filter
Right eye: fixed crisscross cylinder, left eye: fixed crisscross cylinder
Right eye: horizontal Maddox rod, left eye: open testing window
Right eye: open testing window, left eye: vertical Maddox rod
Scieropia, press to change scieropia value.
Retinoscopy lens, 1.50D and 2.0D optional
Single-slit lens, press to change angle.
Binocular equilibrium prism, press to change prismatic power
Horizontal heterophoria prism, press to change prismatic power
Vertical heterophoria prism, press to change prismatic power
Right eye: 6
△
base-upward prism
Left eye: 10
△
base-inward prism
5.2.3 Pupil distance input
1. Press to display PD input interface, PD adjusting lens is called into the testing window.
The factory default PD value is 64.0.
2. Click the data frame to be changed and input pupil distance.
Input left eye PD, binocular PD and right eye PD respectively.
Summary of Contents for YPA-2100
Page 1: ...YPA 2100 DIGITAL REFRACTOR User Manual Version 1 0 Date 20180521...
Page 5: ...13 Electrical Schematic Diagram 82 14 Electromagnetic Compatibility 83...
Page 24: ...19 Press to enlarge PD press to reduce PD 3 Press to exit PD input interface...
Page 31: ...26 key...
Page 42: ...37 4 Click key shift to 0 5XC 5 Click the key again shift to automatic mode Slit Prism...
Page 55: ...50 34 Press to finish the test...
Page 78: ...73 3 Click key to popup input box...