PDR-7000 Operation Manual
8. Eye selection keys
Select the right eye (R), left eye (L), or both eyes (BIN) for subjective refinement.
- The occluder is placed automatically in the non-selected eye side.
- However, it is not placed during the binocular vision test with polarizing.
8-1.
Opens the right measuring window and places the occluder in the left one.
When the binocular vision test chart is selected, the left eye side is not occluded but
the data entry only for the right eye is also possible.
8-2.
Opens the left measuring window and places the occluder in the right one.
When the binocular vision test chart is selected, the left eye side is not occluded but
the data entry only for the right eye is also possible.
8- 3.
Opens the both measuring windows.
The data entry for both eyes are available.
9.
Displays the Main Menu screen.
10.
Clears all displayed data.(Initializes the CB(Control box) data).
- + : Initializes the CB with aligning refractor head
11. Mask keys
Isolate any horizontal or vertical line or single letter on the chart. Press any of the chart
keys to cancel the mask functions. the visual acuity of the isolated horizontal line or
letter is shown in the VA field on the screen.
11- 1.
Isolates a horizontal line (same visual acuity letters) on the top or bottom line of the VA
chart.
- This key also moves the isolation up and down when the horizontal line has been isolated.
- + : Isolates the horizontal line on the top line of the chart.
- + : Isolates the horizontal line on the bottom line of the chart.
11- 2.
Isolates a vertical line on the VA chart.
- This key also moves the isolation to the left or right when the vertical line or single letter has been
isolated.
- + or : Isolates a single letter in the lower-left or right corner on the chart.
11- 3.
Isolates a single letter on the VA chart.
The letter in the upper-right corner of the chart is isolated.
- + : Isolates a single letter in the upper-left corner on the chart.
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