User's Manual

--------------------------------------------------------------------------------------------------------------------- CDC-1 User Manual
47
9.17. Zeiger Test
Title
Content
Purpose
To measure the phoria
Chart
Aux. Lens
Polar
Procedure
① Open the both eyes.
② Place the polarizing filters before the eyes, 135 degree on the right and 45 degree on the
left.
③ Add prism before eyes until the patient sees the lines and gradations aligned.
9.18. Stereo Test
Title
Content
Purpose
To check the stereoscopic vision
Chart
Aux. Lens
Polar
Procedure
① Open the both eyes.
② Place the polarizing filters before the eyes, 135 degree on the right and 45 degree on the
left.
③ Ask the patient if the patient can see the chart as stereopsis.