# Optical Calculator for ECPs

> Quick, Accurate, Easy to Use

Canonical page: [https://chrome-stats.com/d/id1146297178](https://chrome-stats.com/d/id1146297178)

## Overview

- **ID:** `id1146297178`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Lens Shapers
- **Category:** Medical
- **Rating:** 4.50 / 5 (27 ratings)
- **Version:** 2.0
- **Last updated:** 2026-04-16
- **First published:** 2017-07-15
- **Size:** 11 MB
- **Data as of:** 2026-09-30
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/optical-calculator-for-ecps/id1146297178)
- **Website:** [http://www.lens-shapers.com](http://www.lens-shapers.com/)
- **Privacy policy:** [http://www.lens-shapers.com/privacy](http://www.lens-shapers.com/privacy)

## Description

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.
• Privacy policy: http://www.lens-shapers.com/privacy
• Terms of use: http://www.lens-shapers.com/terms

## Rankings

- #223,409 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1146297178)