hyperopia

[ hahy-per-oh-pee-uh ]
/ ˌhaɪ pərˈoʊ pi ə /

noun Ophthalmology.

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).

RELATED WORDS


Nearby words

  1. hypernova,
  2. hypernym,
  3. hypernymy,
  4. hyperon,
  5. hyperonychia,
  6. hyperopic astigmatism,
  7. hyperorexia,
  8. hyperorthocytosis,
  9. hyperosmia,
  10. hyperosmolality

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. 2019


British Dictionary definitions for hyperopia

hyperopia

/ (ˌhaɪpəˈrəʊpɪə) /

noun

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 hyperopia

hyperopia

n.

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

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for hyperopia

hyperopia

[ hī′pə-rōpē-ə ]

n.

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.


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for hyperopia

hyperopia

[ hī′pə-rōpē-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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.