PDR-7000 Operation Manual
4.8 Positive Relative Accommodation Test
Use: To measure the Positive Relative Accommodation Test during the subjective
test.
Chart: Near Distance chart
Auxiliary lens: None
Expectation: To obtain BLUR and RECOVERY value for the right or left eye or for
both eyes.
[Operation sequence]
1. Press the button and then click the button at the leftmost of the
bottom on the screen.
2. Press the [R], [L], [BIN] button to select the field to measure.
3. After pressing the [BLUR] button of the touch screen, place the Near Distance
chart with 1.0 VA to 40cm away position from the patient’s eye. Turn the dial to
find the spot where the letters on the chart start to fade away. If the break spot
has been found, press the [RECOV] button of the touch screen to enter
recovery mode.
4. Find the recovery spot while turning the dial counterclockwise("+" direction).
Press the [SAVE] button of the touch screen to finish this test after the recovery
spot has been found.
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