89
10-22.
Positive Relative Accommodation
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Purpose: operate positive convergence accommodation test during
subjective test.
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Chart: Near Vision Chart
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Auxiliary Lens: None
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Objective: Measure the value of BREAK and RECOVERY for left, right
and binocular.
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Operation sequence
1. Hang near vision chart on the bar.
2. Change SPH value and search the blurred point.
3. After finding blurred point, press [ADD VA] button
and
[PRA] button on option controller.
4. Input the value on [Blur] and touch [Save] button.
5. Adjust SPH value and search the recovery point. Same as blur, input
the value on [Recovery] and touch [Save] button.
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...
