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nearsighted

[neer-sahy-tid, -sahy-] /ˈnɪərˌsaɪ tɪd, -ˈsaɪ-/
adjective
1.
seeing distinctly at a short distance only; myopic.
Origin
1680-1690
1680-90; near + sight + -ed3
Related forms
nearsightedly, adverb
nearsightedness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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nearsightedness in Medicine

nearsightedness near·sight·ed·ness (nēr'sī'tĭd-nĭs)
n.
Myopia.

nearsighted near·sight·ed (nēr'sī'tĭd)
adj.
Unable to see distant objects clearly; myopic.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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nearsightedness in Science
nearsightedness
  (nîr'sī'tĭd-nĭs)   
See myopia.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for nearsightedness

myopia

visual abnormality in which the resting eye focuses the image of a distant object at a point in front of the retina (the light-sensitive layer of tissue that lines the back and sides of the eye), resulting in a blurred image. Myopic eyes, which are usually longer than normal from front to rear, are somewhat more susceptible to retinal detachment than are normal or farsighted eyes. Severe myopia can be associated with other eye problems as well, most of which affect the retina or the choroid (i.e., pathologic blood vessel growth from the choroid).

Learn more about myopia with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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