Measuring the pd - VisionR 800
STEP 1
Press PD icon on the touch screen.
STEP 2
Adjust the Pupillary distance using the dial knob on the console and the centering target
(Monocular or Binocular adjustment).
If you are struggling to find the PD try to compensate for the PD adjustment. Is possible that the head VisionR 800 is not properly aligned.
If the head is not level, adjust it by rotating the adjustment wheel.
“ Do you feel comfortable?
Please look straight ahead at the chart and keep your eyes open as wide as possible. Please blink as needed ”
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