Toric lens
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In optics, a toric lens is a type of lens whose surface is a combination of a sphere and a cylinder. One surface of the lens is spherical, the other toroidal.[1][2] Such lenses are commonly used for vision correction, in cases where there is astigmatism.
See also
References
- ↑ E. Ahmed (2004). A Textbook of Ophthalmology. Prentice Hall of India. p. 107. ISBN 8120319168.
- ↑ James Thewlis (1961). Encyclopaedic Dictionary of Physics. Pergamon Press. p. 268.
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