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The definition of 'astigmatisms' & the word 'astigmatisms' in example sentences or phrases

Noun
1
(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
2
(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point

Synonyms of the word 'astigmatisms' & Antonyms of the word 'astigmatisms'.

Noun
Synonymsastigmatism, astigmia, astigmatism, astigmia,
Antonymsstigmatism,