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Related to emmetropia: ametropia
The condition of the normal eye when parallel rays of light are focused exactly on the retina and vision is perfect.
[Greek emmetros, well-proportioned, fitting (en, in; see en-2 + metron, measure; see meter2) + -opia.]
em′me·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.
(Physiology) the normal condition of perfect vision, in which parallel light rays are focused on the retina without the need for accommodation
[C19: from New Latin, from Greek emmetros in due measure + -opia]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
em•me•tro•pi•a(ˌɛm ɪˈtroʊ pi ə)
the normal refractive condition of the eye in which the rays of light are accurately focused on the retina.
[1860–65; < Greek émmetr(os) in measure, fitting]
em`me•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.
the normal refractive function of the eye in which light is focused exactly on the retina with the eye relaxed. — emmetropic, adj.See also: Eyes
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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|Noun||1.||emmetropia - (ophthalmology) the normal refractive condition of the eye in which there is clear focus of light on the retina|
ophthalmology - the branch of medicine concerned with the eye and its diseases
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