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If the size of the left/right square is different, it is Aniseikonia.
Press ‘NG’ button.
10-16.
Phoria Test without Fixation
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Purpose: Operate Heterophoria test in a way of Pola Cross without
Fixation during subjective test.
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Chart: Polarized Cross Chart without Fixation
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Auxiliary Lens: Polarized filter with 135 degrees (for right eye), and
45 degrees (for left eye)
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Objective: The vertical bar seen with the right eye and the horizontal
bar seen with the left eye are united and seen as cross.
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Operation sequence
1.
Press Pola Cross chart without Fixation
to enter
Heterophoria mode.
2.
Ask the patient, “Does it seem like a cross?”
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If the answer is “Yes”, there is no Heterophoria. Test done.
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If the answer is “No”, it is Heterophoria. Go on to the next
test.
3.
Start with horizontal heterophoria test. Ask the patient as
following.
4.
“Does the (|) shape located on the left side of (--) shape, or the
right side of it?
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Located on left: “Exophoria”. Turn the dial counterclockwise to
increase BI prism. When the cross is seen well, finish the test.
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Located on right: “Esophoria”. Turn the dial clockwise to
increase BO prism. When the cross is seen well, finish the test.
5.
After horizontal heterophoria test, start the vertical heterophoria
test. Ask the patient as following.
6.
“Does the (|) shape located upside of the (--) shape, or downside
Содержание Smart DR13
Страница 1: ......
Страница 33: ...32 Fig 21 Controller View Screen...
Страница 37: ...36 Fig 25 List View and Detailed View Received data...
Страница 44: ...43 Fig 31 Set the Risley prism left and the Jackson cross cylinder Right...
Страница 46: ...45 Fig 33 Pop up selecting Auxiliary lens and CP Operation penal...
Страница 50: ...49 Fig 35 Adjustment of the SPH CYL AXIS Value...
Страница 61: ...60 Fig 50 Near Horizontal Von Graefe Test...
Страница 85: ...84...