Optical Calculator for ECPs

The best Optical Calculator on the App Store.

• Stock Lens Cutout
• Lens Thickness
• Vertex Compensation
• Rx Transpose
• Intermediate Rx
• Prism Compounding
• Contact Lens Rx
• Induced Prism
• Tilt & Wrap Compensation
• Crossed Cylinders
• Resolving Prism
• Spectacle Magnification
• Vertical Imbalance Compensation
• Power in Oblique Meridians

If you want another calculator, let us know and we will add it.

The app is easy to use and to the point.

Optimized for iPhone X, Xs, and iPad Pro models.
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• This subscription provides you full access to all our current and future optical calculators.
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