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Meaning of word astigmatism from English dictionary with examples, synonyms and antonyms.

astigmatism   noun

Meaning : (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea. Common in nearsighted people.

Synonyms : astigmia

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

Synonyms : astigmia

(optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point.

stigmatism