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 (see figure at right), while the other one usually is spherical. Toric lenses are primarily used in eyeglasses, contact lenses and intraocular lenses to correct astigma.....
Found on
http://en.wikipedia.org/wiki/Toric_lens
A lens in which both meridians are curved but not to the same degree. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973
Type: Term Definitions: 1. a lens in which both meridians are curved but not to the same degree.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=48810
No exact match found.
