Definition of Toric
1. Adjective. Pertaining to or shaped like a torus, or a section of a torus; toroidal. ¹
¹ Source: wiktionary.com
Definition of Toric
1. a lens designed to correct astigmatism [n -S]
Medical Definition of Toric
1. Relating to, or having the curvature of, a torus. (05 Mar 2000)
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Lexicographical Neighbors of Toric
toric (current term)
Literary usage of Toric
Below you will find example usage of this term as found in modern and/or classical literature:
1. Diseases of the eye by George Edmund De Schweinitz (1916)
"toric Lenses.—A solid developed by the revolution of a circle about any axis ... A toric lens may be described as one which is cut from a toric surface by a ..."
2. Ophthalmic Lenses and Prisms: An Essay Contributed to "The American by Charles Frederick Prentice (1917)
"However, as the convex toric surface is especially well adapted to lenses of the ... Congeneric Meridians. for toric lenses shall be written the same as for ..."
3. Refraction, Including Muscle Imbalance and the Adjustment of Glasses by Royal Samuel Copeland, Adolph Ernest Ibershoff (1906)
"toric LENS. A toric surface is one which is shaped like the bowl of a spoon, ... The convex side of the bowl represents, crudely, a convex toric surface; ..."
4. Refraction and how to refract by James Thorington (1900)
"A toric lens (Fig. 181) is very acceptable in occasional instances, as it reduces somewhat the weight and thickness of the lens, and also enlarges the field ..."
5. Refraction and how to refract by James Thorington (1900)
"... if the patient has a long nose, by sliding the lens down from the eye and then holding the reading matter at the conjugate focus. A toric lens (Fig. ..."
6. Mirrors, Prisms and Lenses: A Text-book of Geometrical Optics by James Powell Cocke Southall (1918)
"Cylindrical and toric Surfaces.—The curved reflecting and refracting surfaces of optical mirrors and lenses are almost without exception surfaces of ..."
7. Transactions of the American Ophthalmological Society Annual Meeting by American Ophthalmological Society (1890)
"The case of direct centrical refraction, and the two principal cases of oblique centrical refraction in which the * toric refracting surfaces, ..."