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hyperopia

[hahy-per-oh-pee-uh]
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noun Ophthalmology.
  1. a condition of the eye in which parallel rays are focused behind the retina, distant objects being seen more distinctly than near ones; farsightedness (opposed to myopia).
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Origin of hyperopia

First recorded in 1880–85; hyper- + -opia
Also called hy·per·me·tro·pi·a [hahy-per-mi-troh-pee-uh] /ˌhaɪ pər mɪˈtroʊ pi ə/.
Related formshy·per·op·ic [hahy-per-op-ik, -oh-pik] /ˌhaɪ pərˈɒp ɪk, -ˈoʊ pɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for hyperopia

hyperopia

noun
  1. inability to see near objects clearly because the images received by the eye are focused behind the retina; long-sightednessAlso called: hypermetropia, hypermetropy Compare myopia, presbyopia
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Derived Formshyperopic (ˌhaɪpəˈrɒpɪk), adjective
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

Word Origin and History for hyperopia

n.

1884, Modern Latin, from hyper- + Greek ops "eye" (see eye).

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Online Etymology Dictionary, © 2010 Douglas Harper

hyperopia in Medicine

hyperopia

(hī′pə-rōpē-ə)
n.
  1. An abnormal condition of the eye in which vision is better for distant objects than for near objects. It results from the eyeball being too short for light rays to properly focus on the retina, thus forming a blurred image.farsightedness hypermetropia
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Related formshyper•ope′ (pə-rōp′) n.hy′per•opic (pĭk, -ŏpĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

hyperopia in Science

hyperopia

[hī′pə-rōpē-ə]
  1. A defect of the eye that causes light to focus behind the retina instead of directly on it, resulting in an inability to see near objects clearly. Hyperopia is often caused by a shortened eyeball or a misshapen lens. Also called farsightedness Compare myopia.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.