PDR-7000 Operation Manual
7 APPENDIX
7.1 Linkage between Charts and Auxiliary
Lenses
The following table shows the auxiliary lenses linked to the charts when the Chart
link parameter is set to Yes.
Chart
Auxiliary lens
MODE
Right eye Left eye
VA charts
or
S
Astigmatism clock dial
or
C/A
Red-green
or
S
Dots
or
A/C
Binocular balance S
Polarized red-green S
Phoria Prism H/V
Phoria with fixation Prism H/V
Vertical coincidence Prism V
Horizontal coincidence Prism H
Stereo
or
-
Worth 4 dots Red filter : ● Green filter : ● -
Vertical line Prism H
Horizontal line Prism V
Fixation Prism H/V
Schober Red filter : ● Green filter : ● Prism H/V
Cross grid for near vision
or
ADD
VA chart for near vision ADD
* The slash “/” indicates that the auxiliary lens changes alternately each time the chart button is pressed. The lens
on the right side is placed in the first pression of the chart button.
* The Prism H indicates base in/out prism (BI/BO) and V indicates base up/down prism (BU/BD).
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