Cross Cylinder - Manual Test - Ametek Reichert Phoroptor VRx User Manual

Instructions for Use

Cross Cylinder - Manual Test

The Manual Cross Cylinder test allows the user to refine Axis in 1°, 5°, or 10° increments, and adjust
Cylinder in ±0.25 D, ±0.50 D, or ±1.00 D increments. (Please refer to Figure IU-19.)
• The Manual Cross Cylinder Test is performed monocularly.
• The Spherical equivalent is maintained during the Cylinder power adjustment.
If no Cylinder power if present, the Astigmatism check is done first, followed by the Axis
•
adjustment. If default charts are selected for the XCyl test, these charts are presented to the
patient. Otherwise, select a chart from the Available Chart Selection.
1. Touch XCyl on the menu bar at the bottom of the main screen.
2. Touch MANUAL to start the test.
Note: The Manual Cross Cylinder test always begins with the Axis adjustment.
Note: Touch Test to switch the type of XCyl test (Manual/Smart/Split Cyl).
3. Touch 1°, 5°, or 10°, located in the lower left of the screen to select the increment of the Axis
adjustment.
Note: Touch it repeatedly to cycle through the different increments.
16241-101 Rev. D
(continued)
Figure IU-19, Cross Cylinder - Manual Test Screen
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