5.2
2020-01-30
Added Dark Mode support
5.1
2019-10-06
• Updated for iOS 13+
• Added memory for whether plus cyl or minus cyl was used last, defaulting to the last used cylinder sign
5.0
2016-07-12
• Updated for iOS 9+ and modern retina display iOS devices
4.0
2014-01-10
Updated for iOS 7
3.9
2012-12-01
Improved numeric keypad appearance
3.8
2012-10-24
• Added support for iPhone 5
• Bug fixes for iOS 6
3.7
2012-01-17
Fixed a few minor aesthetic issues.
3.6
2011-12-04
Fixed support for iOS < 4.2, which was broken in version 3.5. Optics is now compatible with iOS 3.0 through 5.0.1.
3.5
2011-10-26
• Improved search interface
• Minor UI tweaks for iOS 5
• Added Portuguese translation by Dr. Gustavo Henrique
3.4
2011-02-17
Fixed the ADD field for the intermediate/near rx calculator.
3.3
2011-02-04
• The Vertex Distance calculator now remembers the starting and ending vertex distances that you specify
• Minor interface improvements
3.2
2010-11-17
• The Vertex Distance calculator now defaults to 'Compensated' power, as that is the more commonly utilized calculation
• Various minor UI improvements
• New icon as per trademark related request of the American Red Cross
3.1
2010-08-17
• iOS 4.0 Compatible
• Optimized for iPhone 4 Retina Display
• Fixed a missing image in the clinical information for the Induced Prism calculator
3.0
2010-03-09
Fixed a sizing issue preventing the full 'Cross cylinder form' from being displayed in the crossed cylinders calculator.
2.9
2010-02-24
• Interface improvements
2.8
2009-11-06
• Expanded default lens power range to -30D to +30D
• Expanded diopter range for millimeter focal length<-->diopter converter to 20D to 75D
2.7
2009-07-06
Full compatibility with iPhone 3.0, fixing display of the Sphere/Cylinder selector and a few other minor bugs.