Cylinder Power/Axis - VisionR 800

Cylinder Power/Axis - VisionR 800

CROSS CYLINDER


This test checks the cylinder power, the cylinder axis and the sphere
equivalent simultaneously.

1.  Cross cylinder test

The dots chart is automatically displayed on the screen for the
relevant eye.

2.  Click Start to begin the test;

Look at the dots. Tell me if they look sharper, darker, more contrasted in
position 1, position 2 or if they look identical to you?

                  





Keep asking until the progress is full and the “Next” button
appears at the bottom of the screen.




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