Nidek Medical RT-5100, Руководство оператора

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TEST METHOD Binocular Visual Function Test
 Stereo test (triangle test)
Use: To detect exophoria or esophoria
Chart: Stereo triangle
Applicable model: SC Pola series G+
Auxiliary lens: Right eye 135º, left eye 45º, polarizing filters
Ideal appearance:
Right eye Left eye Binocular ideal
The upper and lower
triangles appear
closer than the central
circle.
1
Present the stereo test (triangle test) chart.
Press .
The polarizing filters are set in the measuring windows (right eye 135º, left eye 45º).
2
Confirm that the upper and lower triangles appear to the patient to be closer.
The stereoparallax is 10’ 30” (when the refraction distance is 5 m and the PD value is 60
mm, the upper and lower triangles appear to be approximately 101 cm closer to the patient).
The test result OK or NG can be entered by the function button.
3
Press again.
The direction of the polarizing filters changes (right eye 45º, left eye 135º).
4
Confirm that the upper and lower triangles appear to the patient to be farther away.
They appear to be approximately 171 cm away from the patient (when PD is 60 mm).
5
Repeat Steps 1 to 4 to alternate the triangle appearance.
Only pop-out is slow.

Exophoria tendency
Only recession is slow.

Esophoria tendency
Both pop-out and recession are slow.

Vertical phoria tendency
161221687130 承認済
Uncontrolled copy when printed.