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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).

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

Examples from the Web for hypermetropia

Historical Examples

  • Long-sight, or hypermetropia, signifies that the eyeball is too short or the lens too flat.

    How it Works

    Archibald Williams

  • Limits of error in the subjective and objective determination of hypermetropia.

  • Ophthalmoscopically with atropine the same degree of hypermetropia.

  • Hypermetropia was found then in 47 per cent of all the cases.

  • Donders declares no other conclusion to be possible, than this, that the hypermetropia is the cause of the squint.


British Dictionary definitions for hypermetropia

hypermetropia

hypermetropy (ˌhaɪpəˈmɛtrəpɪ)

noun
  1. pathol variants of hyperopia
Derived Formshypermetropic (ˌhaɪpəmɪˈtrɒpɪk) or hypermetropical, adjective

Word Origin

C19: from Greek hupermetros beyond measure (from hyper- + metron measure) + -opia

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
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 hypermetropia

hyperopia

n.

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

Online Etymology Dictionary, © 2010 Douglas Harper

hypermetropia in Medicine

hypermetropia

([object Object])
n.
  1. hyperopia

hyperopia

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
Related formshyper•ope′ (pə-rōp′) n.hy′per•opic (pĭk, -ŏpĭk) adj.

hypermetropia 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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