VisionS/R Series - Using Cylinder Power/Axis
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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