Definitions for: Astigmia


[n] (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
[n] (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea



Synonyms: astigmatism

Antonyms: stigmatism

See Also: ametropia, condition, keratectasia, keratoconus, status

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