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5. OPERATION FOR TESTS
5.3.5 COINCIDENCE TEST (H) (Only for ACP-8)
When the patient sees the image in the horizontal direction after correction, the image size seen
by the right eye may be different from the image seen by the left eye. In this test, check if the
image size is different between the right and left eyes.
If there is a difference of one line (7%) or more, it is recommended to recheck the correction value.
1 Prepare for the test.
If heterophoria is not corrected, the patient's eye may not be refined properly. Before
this test, correct heterophoria.
For phoria test, refer to "5.2.1 PHORIA TEST (POL. CROSS)" on P.80.
2 Select the horizontal aniseikonia test chart.
To perform the horizontal aniseikonia test, select the icon for the horizontal aniseikonia
test on the chart page.
Example of the test chart icons on chart page
The following items are automatically changed as shown below.
Far-point
chart
Far-point test chart icon Near-point
chart
Near-point test chart icon
ACP-8(A) NC-3(E) -
Item Description
Test eye
Changed to the binocular mode. The left eye is the object of
the mouse operation.
Auxiliary lens
The polarized filter is set.
Mouse operation
mode
The mode to operate "Horizontal prism" is set.
Mouse Navigation
Function button
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