68
10-8.
Binocular Balance Test at Polarized Light
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Purpose: Subjective test, keep the binocular balance against maximum
revised value of Monocular
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Chart: Binocular Balance Chart at Polarized Light
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Auxiliary Lens: Polarized Light Filter with 135 degrees for right eye,
and with 45 degrees for left eye.
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Objective: The upper line seen with the right eye and the lower line
seen with the left eye must be seen equally and clearly.
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Operation Sequence
1.
Tap
the Chart of Binocular Balance Test at Polarized
Light, to enter the Binocular Balance Test at Polarized Light
Mode.
2.
Tap [B], the Binocular button, to open Binocular field and add
Fogging to about 0.5D, and then loosen the interrupted
accommodation.
3.
Ask the patient which line between the upper and lower is
clearer.
- If the upper line is seen clearly, press [R] button and turn the
dial counterclockwise, to increase the right side SPH value.
- If the lower line is seen clearly, press [L] button and turn the
dial clockwise, to increase the left side SPH value.
- When both of upper and lower sheet are seen equally and
clearly, finish the test.
※ Attention
-
If a corrected vision is below 0.4, sometimes it is hard to discern
because the Chart is seen blurred. At this time, cover the more blurry
side firstly, and then open it again. If there is any difference in the
Summary of Contents for Smart DR13
Page 1: ......
Page 33: ...32 Fig 21 Controller View Screen...
Page 37: ...36 Fig 25 List View and Detailed View Received data...
Page 44: ...43 Fig 31 Set the Risley prism left and the Jackson cross cylinder Right...
Page 46: ...45 Fig 33 Pop up selecting Auxiliary lens and CP Operation penal...
Page 50: ...49 Fig 35 Adjustment of the SPH CYL AXIS Value...
Page 61: ...60 Fig 50 Near Horizontal Von Graefe Test...
Page 85: ...84...
