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.
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About Subscription:
• You may subscribe to our service for a free trial. This subscription auto-renews yearly at the specified price.
• This subscription provides you full access to all our current and future optical calculators.
• Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.
• The account will be charged for renewal within 24-hours prior to the end of the current period.
• Payment will be charged to your iTunes Account at confirmation of purchase.
• You may manage the subscription and auto-renewal may be turned off by going to the user's Account Settings after purchase.
• Any unused portion of a free trial period will be forfeited when you purchase the subscription.
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