Astigmatism (Noun)
Meaning 1
(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people.
Classification
Nouns denoting natural processes.
Synonyms
Related Words
Meaning 2
(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point.
Classification
Nouns denoting natural processes.