Crossed Cylinder Calculator
$1.99
1.12for iPhone, iPad and more
Age Rating
Crossed Cylinder Calculator Screenshots
About Crossed Cylinder Calculator
Determine resultant lens over existing lens combined with over refraction. Makes contact lens fitting more accurate. Useful in refining high powered eyeglass prescriptions using over refraction. Quick and easy to use application determines resulting contact lens prescription or spectacle prescription using lens currently worn and over refraction data. Exact results or round to one quarter diopter.
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What's New in the Latest Version 1.12
Last updated on Jan 18, 2022
Old Versions
Code update
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Version History
1.12
Jan 18, 2022
Code update
1.11
Sep 21, 2018
update to swift code
1.1
Aug 26, 2015
Fixed axis calculations.
1.0
Feb 9, 2015
Crossed Cylinder Calculator FAQ
Click here to learn how to download Crossed Cylinder Calculator in restricted country or region.
Check the following list to see the minimum requirements of Crossed Cylinder Calculator.
iPhone
Requires iOS 9.0 or later.
iPad
Requires iPadOS 9.0 or later.
iPod touch
Requires iOS 9.0 or later.
Crossed Cylinder Calculator supports English