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Lens Calculation
Onefit
Fitting tools
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Other tools
Our partner Blanchard Lab (Cooper Vision) has created several tools to assist with various calculations: - Conversion of vertex distance - Conversion from millimeters to diopters - Estimation of Dk/t - Conversion of cylinder axis position with the Lars rule - Design of "notch" – Controlled Peripheral Recess - Design of quadrant-specific lens
Go to Blanchard Tools