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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.
top: A normal eye focuses light on the retina.
bottom: An elongated eyeball causes light to focus in front of the retina.
The ability to see objects at close range better than distant objects. Nearsightedness is caused by the eye focusing light in front of the retina instead of directly on it, usually as a result of an elongated eyeball or a misshapen cornea. Also called myopia. Compare farsightedness.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||nearsightedness - (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred|
ophthalmology - the branch of medicine concerned with the eye and its diseases
ametropia - (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
n. miopía. V.: myopia.
English-Spanish Medical Dictionary © Farlex 2012
nearsightednessn miopía (form), vista corta, dificultad f para ver los objetos lejanos
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.