Ophthalmic Calculators

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Fitting Calculators

Thin Lenses

Thick Lenses

Spectacle Magnification

Power Along Meridians

Prism Calculations

Simple Tilt Calculations

Simple Compensated Values

Iseikonic Lenses

Edge Thickness, Lens Volume and Weight

Zernike and Wavefront Conversions

Contact Lens Calculators (vertex & dislocation)

ACA ratios

BV Calculators