astigmatic

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astigmatic

[as′tigmat′ik]

Etymology: Gk, a, stigma, without point

pertaining to astigmatism, or an error of refraction in which a ray of light is not sharply focused on the retinal tissue but is spread over a more diffuse area. Astigmatism is due to differences in curvature in the various meridians of the cornea and lens of the eye.

astigmatic

Pertaining to astigmatism.

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astigmatic