161
TEST METHOD
Spherical Refinement
4
4.3
Spherical Refinement
4.3.1
Red-green test
Chart: Red-green
Ideal appearance: The sharpness of the letters on the red
and green sides appears equal.
[Procedure example]
1
Press
or
to occlude either measuring window.
2
Present the red-green chart.
Press
or
.
The RT-5100 goes into SPH mode.
3
Fog the vision.
Turn the dial counterclockwise two increments to add SPH + 0.50 D.
4
Reduce fogging gradually until the sharpness of the letters on the red and green sides
appears equal.
Turn the dial clockwise.
The letters on the red side are sharper.
Turn the dial clockwise.
The letters on the green side are sharper.
Turn the dial counterclockwise.
161221687130 承認済
Uncontrolled copy when printed.
Содержание RT-5100
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Страница 18: ... XVI 161221687130 承認済 Uncontrolled copy when printed ...
Страница 46: ...28 BEFORE USE Getting Started and Exiting 161221687130 承認済 Uncontrolled copy when printed ...
Страница 226: ...208 TEST METHOD Visual Acuity Test by ETDRS chart 161221687130 承認済 Uncontrolled copy when printed ...
Страница 274: ...256 MAINTENANCE List of Replacement Parts 161221687130 承認済 Uncontrolled copy when printed ...
Страница 302: ...284 EMC ELECTROMAGNETIC COMPATIBILITY 161221687130 承認済 Uncontrolled copy when printed ...