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Definition of Astigmatism in English :

Define Astigmatism in English

Astigmatism meaning in English

Meaning of Astigmatism in English

Pronunciation of Astigmatism in English

Astigmatism pronunciation in English

Pronounce Astigmatism in English

Astigmatism

see synonyms of astigmatism

Noun

1. astigmatism, astigmia

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

2. astigmatism, astigmia

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

WordNet Lexical Database for English. Princeton University. 2010.

Astigmatism

see synonyms of astigmatism
noun
1. 
a defect of a lens resulting in the formation of distorted images; caused by the curvature of the lens being different in different planes
2. 
faulty vision resulting from defective curvature of the cornea or lens of the eye

Collins English Dictionary. Copyright © HarperCollins Publishers

Astigmatism

see synonyms of astigmatism
noun
1. 
an irregularity in the curvature of a lens, including the lens of the eye, so that light rays from an object do not meet in a single focal point, resulting in an indistinct or distorted image
2. 
distorted view or judgment, as because of bias

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Astigmatism

see synonyms of astigmatism
n.
A visual defect in which the unequal curvature of one or more refractive surfaces of the eye, usually the cornea, prevents light rays from focusing clearly at one point on the retina, resulting in blurred vision.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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