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Astigmatism   /əstˈɪgmətˌɪzəm/   Listen
Astigmatism

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






WordNet 3.0 © 2010 Princeton University








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"Astigmatism" Quotes from Famous Books



... American; aged 43; height, 5 ft. 7 in.; weight, about 145 lbs.; occupation, teacher; somewhat neurotic; a slight myopia associated with acute astigmatism and muscular weakness of the eyes, producing a tendency to migraine. Uric acid diathesis, producing occasionally severe neuralgia, particularly in the intestines. These symptoms have been more or less constant since very early childhood. General ...
— Studies in the Psychology of Sex, Volume 3 (of 6) • Havelock Ellis

... and throughout most of the days of his life he was completely oriented in this world, at home here, with his strong feet planted upon reality. He liked so many homely things, that his friendly glance responded to common sunlight without astigmatism. ...
— The Letters of Franklin K. Lane • Franklin K. Lane

... The Precinct. Rochester The Cyclists Sunshine through a Cobwebbed Window A London Thoroughfare. 2 A.M. Astigmatism The Coal Picker Storm-Racked Convalescence Patience Apology A Petition A Blockhead Stupidity Irony Happiness The Last Quarter of the Moon A Tale of Starvation The Foreigner Absence A Gift The Bungler Fool's Money Bags Miscast I Miscast II Anticipation Vintage ...
— Sword Blades and Poppy Seed • Amy Lowell

... defend Tish. She thought her conclusions were correct. Charlie Sands says she is like Shaw—she has got a crooked point of view, but she believes she is seeing straight. And, after a while, if you look her way long enough you get a sort of mental astigmatism. ...
— Tish, The Chronicle of Her Escapades and Excursions • Mary Roberts Rinehart



Words linked to "Astigmatism" :   optics, ophthalmology, astigmatic, ametropia, keratectasia, stigmatism, condition, keratoconus, status



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