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ametropia

[am-i-troh-pee-uh] /ˌæm ɪˈtroʊ pi ə/
noun, Ophthalmology
1.
faulty refraction of light rays by the eye, as in astigmatism or myopia.
Origin
1875-1880
1875-80; < Greek ámetr(os) unmeasured (a- a-6 + métr(on) measure + -os adj. suffix) + -opia
Related forms
ametropic
[am-i-trop-ik, -troh-pik] /ˌæm ɪˈtrɒp ɪk, -ˈtroʊ pɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for ametropia

ametropia

/ˌæmɪˈtrəʊpɪə/
noun
1.
loss of ability to focus images on the retina, caused by an imperfection in the refractive function of the eye
Word Origin
C19: New Latin, from Greek ametros unmeasured (from a-1 + metron measure) + ōps eye
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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ametropia in Medicine

ametropia am·e·tro·pi·a (ām'ĭ-trō'pē-ə)
n.
An eye abnormality, such as nearsightedness, farsightedness, or astigmatism, resulting from faulty refractive ability of the eye.


am'e·trop'ic (-trŏp'ĭk, -trō'pĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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