| 单词 | hyperopia |
| 释义 | hyperopia[ hahy-per-oh-pee-uh ] / ˌhaɪ pərˈoʊ pi ə / SEE SYNONYMS FOR hyperopia ON THESAURUS.COM 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). Also called hy·per·me·tro·pi·a [hahy-per-mi-troh-pee-uh]. /ˌhaɪ pər mɪˈtroʊ pi ə/. Origin of hyperopiaFirst recorded in 1880–85; hyper- + -opia OTHER WORDS FROM hyperopiahy·per·op·ic [hahy-per-op-ik, -oh-pik], /ˌhaɪ pərˈɒp ɪk, -ˈoʊ pɪk/, adjectiveWords nearby hyperopiahypernova, hypernym, hypernymy, hyperon, hyperonychia, hyperopia, hyperopic astigmatism, hyperorexia, hyperorthocytosis, hyperosmia, hyperosmolality Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for hyperopiahyperopia / (ˌhaɪpəˈrəʊpɪə) / nouninability 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 forms of hyperopiahyperopic (ˌhaɪpəˈrɒpɪk), adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for hyperopiahyperopia [ hī′pə-rō′pē-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 Other words from hyperopiahy′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. Scientific definitions for hyperopiahyperopia [ 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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