ASTIGMIA

• (noun) (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point

  synonyms : astigmatism

  The blurry images were a result of the astigmatism of the binocular lens. -added by naila_inlas

• (noun) (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people

  synonyms : astigmatism

  The ophthalmologist said that the astigmatism of her eye could be corrected. -added by naila_inlas

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