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7 Essential Words of Fall

asthenopia

[as-thuh-noh-pee-uh] /ˌæs θəˈnoʊ pi ə/
noun, Ophthalmology
1.
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
< Greek asthen(ḗs) frail (see asthenia) + -opia
Related forms
asthenopic
[as-thuh-nop-ik] /ˌæs θəˈnɒp ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for asthenopia

asthenopia

/ˌæsθɪˈnəʊpɪə/
noun
1.
a technical name for eyestrain
Derived Forms
asthenopic (ˌæsθɪˈnɒpɪk) adjective
Word Origin
C19: from New Latin, from Greek asthenēs weak (from a-1 + sthenos strength) + ōps eye
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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asthenopia in Medicine

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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