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An eye abnormality, such as nearsightedness, farsightedness, or astigmatism, resulting from faulty refractive ability of the eye.
[Greek ametros, without measure (a-, without; see a-1 + metron, measure; see meter1) + -opia.]
am′e·trop′ic (-trŏp′ĭk, -trō′pĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Medicine) loss of ability to focus images on the retina, caused by an imperfection in the refractive function of the eye
[C19: New Latin, from Greek ametros unmeasured (from a-1 + metron measure) + ōps eye]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
am•e•tro•pi•a(ˌæm ɪˈtroʊ pi ə)
faulty refraction of light rays by the eye, as in astigmatism or myopia.
[1875–80; < Greek ámetr(os) unmeasured (a- a-6 + -metros, adj. derivative of métron measure) + -opia]
am`e•trop′ic (-ˈtrɒp ɪk, -ˈtroʊ pɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||ametropia - (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia|
ophthalmology - the branch of medicine concerned with the eye and its diseases
myopia, nearsightedness, shortsightedness - (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred
astigmatism, astigmia - (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
n. ametropía, falta de visión causada por una anomalía de los poderes refractores del ojo.
English-Spanish Medical Dictionary © Farlex 2012