#toric_lens

Toric lens

Type of lens

A toric lens is a lens with different optical power and focal length in two orientations perpendicular to each other. One of the lens surfaces is shaped like a "cap" from a torus, and the other one is usually spherical. Such a lens behaves like a combination of a spherical lens and a cylindrical lens. Toric lenses are used primarily in eyeglasses, contact lenses and intraocular lenses to correct astigmatism.

Wed 21st

Provided by Wikipedia

Learn More
0 searches
This keyword has never been searched before
This keyword has never been searched for with any other keyword.