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5. OPERATION FOR TESTS
The following items are automatically changed as shown below.
3 Perform measurement.
Click the [Cross cylinder: Reverse] button on the control
window. Have the patient answer which frame the chart is
seen better, red or green.
When the chart is seen better with the green frame, click
the [Red<Green] button on the mouse navigation. When
the chart is seen better with the red frame, click the
[Red>Green] button. When the chart is seen equally with
the green and red frames, click the [Red=Green] button.
Repeat the above operation until the test is finished.
The program operates the cylinder axis and power and changes the tests automatically.
When the test is finished, the message "This exam has been finished." is displayed.
Item Description
Test eye
When any other item except "binocular" is the last test object,
the last status is succeeded. When "binocular" are the last
test object, the right eye of the patient is selected.
Auxiliary lens
The Jackson cross cylinder lens is set
to the test eye. The green and red
frames around the lens indicate the
front and rear of the cross cylinder.
Mouse operation
mode
The mode to operate the cylinder axis is set.
Mouse Navigation
[Cross cylinder: Reverse]
button