Opto-Calc 2.0

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PEGI 3
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About this app

Calculation of over-refraction on a toric soft lens
Calculation of a spherical RGP contact lens after over-refraction and modification of the base curve r0
Calculation of a rigid toric RGP contact lens after over-refraction, modification of the base curve and the material.
Calculation of a bi-toric RGP contact lens after over-refraction, modification of the base curve and of the material.
Calculation and proposal of a RGP contact lens according to refraction and corneal topography. Choice between spherical or toric lens.
Converter: mm / diopter
Converter: eccentricity / Q value / form factor p
Calculation of power based on the vertex distance
Updated on
Aug 27, 2023

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