Tools & Calculators

Helpful and easy to use tools to assist you in fitting UltraVision contact lenses.

Soft Contact Lens Fitting Tool

Calculate the optimal fit of UltraVision specialist contact lenses using K-readings and spectacle prescription: Soft Contact Lens Fitting Tool

Avanti Prescription Converter

Calculate the optimal fitting Avanti contact lens using K-readings and spectacle prescription: Avanti Prescription Converter

Over-refraction Tool

Designed specifically to calculate the final contact lens power of UltraVision specialist contact lenses using spectacle over-refraction. Works with powered or unpowered lenses: Over-refraction Tool

KeraSoft Base Curve Calculator

Designed specifically for KeraSoft IC and KeraSoft Thin contact lenses, this calculator uses tangential curvature topography maps to calculate the best base curve for a first time fit.

Please note: This calculator does not work with the Axial (Sagittal) maps, as the mid periphery values are different.

KeraSoft Base Curve Calculator