astigmatism
/ʌstˈɪgmʌtɪzʌm/
Explore definitions, synonyms, and language insights of astigmatism
Definitions
Noun
(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
Noun
(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point