Lexic.us

Definition of Astigmatism

1. Noun. (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people.

2. Noun. (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point.

Definition of Astigmatism

1. n. A defect of the eye or of a lens, in consequence of which the rays derived from one point are not brought to a single focal point, thus causing imperfect images or indistinctness of vision.

Definition of Astigmatism

1. Noun. (optics) A defect of a lens such that light rays coming from a point do not meet at a focal point so that the image is blurred. ¹

2. Noun. (pathology) A disorder of the vision, usually due to a misshapen cornea, such that light does not focus correctly on the retina causing a blurred image. ¹

¹ Source: wiktionary.com

Definition of Astigmatism

1. [n -S]

Medical Definition of Astigmatism

1. A visual disturbance caused by an error in the refraction of light within the eye. (27 Sep 1997)

Lexicographical Neighbors of Astigmatism

asthmas asthmata asthmatic asthmatic bronchitis asthmatical asthmatically asthmatick asthmatics asthmogenic asthore

asthores astigmatic astigmatic dial astigmatic lens astigmatics astigmatism (current term) astigmatism against the rule astigmatism of oblique pencils astigmatism with the rule astigmatisms

astigmatometry astigmia astigmias astika astilbe astilbes astipulate astipulated astipulates astipulating

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