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asthenopia

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Asthenopia
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as⋅the⋅no⋅pi⋅a

  [as-thuh-noh-pee-uh]
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–noun Ophthalmology.
a fatigue or tiring of the eyes, usually characterized by discomfort, dimness of vision, and headache, caused by overuse of the visual organs, dysfunction of the ocular muscles, and incorrect refraction.
Origin:
< Gk asthen(s) frail (see asthenia ) + -opia

Related forms:
as⋅the⋅nop⋅ic  [as-thuh-nop-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Asthenopia
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as·the·no·pi·a   (ās'thə-nō'pē-ə)   
n.  Weakness or fatigue of the eyes, usually accompanied by headache and dimming of vision.

[asthen(ia) + -opia.]
as'the·nop'ic (-nŏp'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: as·the·no·pia
Pronunciation: "as-th&-'nO-pE-&
Function: noun
: weakness or rapid fatigue of the eyes oftenaccompanied by pain and headache —as·the·no·pic /-'näp-ik, -'nO-pik/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

asthenopia as·the·no·pi·a (ās'thə-nō'pē-ə)
n.
See eyestrain.

as'the·nop'ic (-nŏp'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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