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OptiCampus Optical Calculators
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Vertex Distance Compensation

Fill in the input fields and then press the Calculate button in order to compute the prescription necessary to compensate for the effects of a change in vertex distance.

Vertex Distance Compensation Form

Desired Sphere Power (D)?
Desired Cylinder Power (D)?
Refracted Vertex Distance (mm)?
Fitted Vertex Distance (mm)?
Prescription to Order (D) :
0.00 DS  0.00 DC