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hyperopia

[hahy-per-oh-pee-uh] /ˌhaɪ pərˈoʊ pi ə/
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).
Also called hypermetropia
[hahy-per-mi-troh-pee-uh] /ˌhaɪ pər mɪˈtroʊ pi ə/ (Show IPA)
.
Origin of hyperopia
1880-1885
First recorded in 1880-85; hyper- + -opia
Related forms
hyperopic
[hahy-per-op-ik, -oh-pik] /ˌhaɪ pərˈɒp ɪk, -ˈoʊ pɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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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.

    Schweigger on Squint C. Schweigger
  • Ophthalmoscopically with atropine the same degree of hypermetropia.

    Schweigger on Squint C. Schweigger
  • hypermetropia was found then in 47 per cent of all the cases.

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

    Schweigger on Squint C. Schweigger
  • It is important to notice that Donders' theory makes convergent squint appear as almost a necessary consequence of hypermetropia.

    Schweigger on Squint C. Schweigger
  • According to this the percentage of the hypermetropia (including doubtful cases) amounts to 66 per cent.

    Schweigger on Squint C. Schweigger
  • In full acuity of vision even high degrees of hypermetropia are no trouble to children.

    Schweigger on Squint C. Schweigger
  • Asthenopia, which occurs in children in connection with hypermetropia, is nearly always accompanied by defective vision.

    Schweigger on Squint C. Schweigger
  • As a rule preponderance of the interni in hypermetropia leads eventually to convergent squint even in childhood.

    Schweigger on Squint C. Schweigger
British Dictionary definitions for hypermetropia

hypermetropia

/ˌhaɪpəmɪˈtrəʊpɪə/
noun
1.
(pathol) variants of hyperopia
Derived Forms
hypermetropic (ˌhaɪpəmɪˈtrɒpɪk), hypermetropical, adjective
Word Origin
C19: from Greek hupermetros beyond measure (from hyper- + metron measure) + -opia

hyperopia

/ˌhaɪpəˈrəʊpɪə/
noun
1.
inability to see near objects clearly because the images received by the eye are focused behind the retina; long-sightedness Also called hypermetropia, hypermetropy Compare myopia, presbyopia
Derived Forms
hyperopic (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
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Word Origin and History for hypermetropia

hyperopia

n.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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hypermetropia in Medicine

hypermetropia hy·per·me·tro·pi·a (hī'pər-mĭ-trō'pē-ə)
n.
See hyperopia.

hyperopia hy·per·o·pi·a (hī'pə-rō'pē-ə)
n.

Abbr. H 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. Also called farsightedness, hypermetropia.


hy'per·ope' (hī'pə-rōp') n.
hy'per·o'pic (-ō'pĭk, -ŏp'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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hypermetropia in Science
hyperopia
  (hī'pə-rō'pē-ə)   

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 © 2002. Published by Houghton Mifflin. All rights reserved.
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