Physics Help Forum Help: Calculate a sphere from base curve
 User Name Remember Me? Password

 Advanced Optics Advanced Light and Optics Physics Help Forum

 Oct 18th 2016, 10:42 AM #1 Junior Member   Join Date: Oct 2016 Posts: 1 Help: Calculate a sphere from base curve Contact lenses are generally defined by their power, base curve, and diameter. Does anyone know how to calculate the sphere based on a base curve of 9? Thanks for the help.
 Oct 18th 2016, 12:19 PM #2 Physics Team     Join Date: Jun 2010 Location: Naperville, IL USA Posts: 2,271 The base curve for contact lenses is the radius of the back side of the lens (see: https://en.wikipedia.org/wiki/Base_curve_radius). I'm not sure what you mean by "calculate the sphere," except to say that a sphere that matches a contact lens with a base curve radius of 9 would itself have a radius of 9 mm. topsquark likes this.

 Tags base, calculate, curve, dimensions, lens, sphere

### base curve in magnetism

Click on a term to search for related topics.
 Thread Tools Display Modes Linear Mode

 Similar Physics Forum Discussions Thread Thread Starter Forum Replies Last Post nirmal19 Theoretical Physics 1 Dec 7th 2010 12:53 PM labview1958 Electricity and Magnetism 0 Jul 21st 2010 01:46 AM s3a Kinematics and Dynamics 1 Mar 7th 2010 09:06 PM arbolis General Physics 2 Aug 2nd 2008 04:21 PM feenon Kinematics and Dynamics 8 Apr 16th 2008 09:13 AM