About 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 ....
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. ______________________________________________ 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
Version History • Added Home Screen Quick Actions so you can jump straight to recent calculators. • Added a new “Watch Tutorial” option in the side menu for faster onboarding. • Improved layouts and typography across key calculators, especially Intermediate Rx and Induced Prism. • Improved slider/stepper input behavior for smoother, more precise adjustments. • Added Favorites so your preferred calculators stay saved. • General fixes and stability improvements. 2.0 Apr 16 Bug fixes and improvements. 1.7 10/06/2023 Calculators Improvements: • Improved Stock Lens Cutout calculator now incorporates B size and OC height for better accuracy. • Improved Lens Thickness calculator now incorporates B size and OC heights for better accuracy. • OC will stay locked to B/2 unless manually changed. • Resultant Zero Cyl and Zero Axis values now show as -- for ease of understanding. UI Improvements: • Slider has been moved to the right to avoid accidental app menu activation. Other bug fixes and improvements. 1.6 09/21/2023 • Bug fixes and improvements. 1.5.1 08/13/2020 - Eight New Calculators: • Contact Lens Rx • Induced Prism • Tilt & Wrap Compensation • Crossed Cylinders • Resolving Prism • Spectacle Magnification • Vertical Imbalance Compensation • Power in Oblique Meridians - Added slider for easier data entry. - Now you can single tap to switch toggle values like In/Out, Up/Down prism directions etc. - Improved font sizing for easier readability. - Other bug fixes and improvements. - Optimized for iPad Pro 12.9" 1.5 05/02/2019 A brand new icon to go with the new look of the app. Easier than ever to make optical calculations on the fly. 1.2 11/01/2017 Enhancements and bug fixes. 1.1.3 10/24/2017 Bug fixes and enhancements. 1.1.2 09/14/2017 Bug fixes and enhancements. 1.1.1 09/11/2017 Added new calculators: • Rx Transpose • Intermediate Rx • Prism Compounding - Bug fixes and improvements. 1.1 08/30/2017 Bug fixes and enhancements. 1.0.1 07/18/2017 1.0 07/14/2017
Previous Versions
Here you can find the changelog of Optical Calculator for ECPs since it was posted on our website on 2021-12-18 03:44:28.
The latest version is 2.0 and it was updated on 2026-06-12 01:52:49. See below the changes in each version.
Optical Calculator for ECPs version 2.0
Updated At: 2026-06-12
Changes: Version History • Added Home Screen Quick Actions so you can jump straight to recent calculators.
• Added a new “Watch Tutorial” option in the side menu for faster onboarding.
• Improved layouts and typography across key calculators, especially Intermediate Rx and Induced Prism.
• Improved slider/stepper input behavior for smoother, more precise adjustments.
• Added Favorites so your preferred calculators stay saved.
• General fixes and stability improvements. 2.0 Apr 16 Bug fixes and improvements. 1.7 10/06/2023 Calculators Improvements:
• Improved Stock Lens Cutout calculator now incorporates B size and OC height for better accuracy.
• Improved Lens Thickness calculator now incorporates B size and OC heights for better accuracy.
• OC will stay locked to B/2 unless manually changed.
• Resultant Zero Cyl and Zero Axis values now show as -- for ease of understanding.
UI Improvements:
• Slider has been moved to the right to avoid accidental app menu activation.
Other bug fixes and improvements. 1.6 09/21/2023 • Bug fixes and improvements. 1.5.1 08/13/2020 - Eight New Calculators:
• Contact Lens Rx
• Induced Prism
• Tilt & Wrap Compensation
• Crossed Cylinders
• Resolving Prism
• Spectacle Magnification
• Vertical Imbalance Compensation
• Power in Oblique Meridians
- Added slider for easier data entry.
- Now you can single tap to switch toggle values like In/Out, Up/Down prism directions etc.
- Improved font sizing for easier readability.
- Other bug fixes and improvements.
- Optimized for iPad Pro 12.9" 1.5 05/02/2019 A brand new icon to go with the new look of the app. Easier than ever to make optical calculations on the fly. 1.2 11/01/2017 Enhancements and bug fixes. 1.1.3 10/24/2017 Bug fixes and enhancements. 1.1.2 09/14/2017 Bug fixes and enhancements. 1.1.1 09/11/2017 Added new calculators:
• Rx Transpose
• Intermediate Rx
• Prism Compounding
- Bug fixes and improvements. 1.1 08/30/2017 Bug fixes and enhancements. 1.0.1 07/18/2017 1.0 07/14/2017
Optical Calculator for ECPs version 1.7
Updated At: 2023-10-06
Changes: Bug fixes and improvements.
Optical Calculator for ECPs version 1.7
Updated At: 2023-10-06
Changes: Oct 6, 2023
Version 1.7
Bug fixes and improvements.
Optical Calculator for ECPs version 1.6
Updated At: 2023-09-21
Changes: Sep 21, 2023
Version 1.6
Calculators Improvements:
• Improved Stock Lens Cutout calculator now incorporates B size and OC height for better accuracy.
• Improved Lens Thickness calculator now incorporates B size and OC heights for better accuracy.
• OC will stay locked to B/2 unless manually changed.
• Resultant Zero Cyl and Zero Axis values now show as -- for ease of understanding.
UI Improvements:
• Slider has been moved to the right to avoid accidental app menu activation.
Other bug fixes and improvements.
Optical Calculator for ECPs version 1.5.1
Updated At: 2020-08-13
Changes: Aug 13, 2020 Version 1.5.1
• Bug fixes and improvements.
Disclaimer
Official App Store Link
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