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asthenopia

American  
[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.

asthenopia British  
/ ˌæsθɪˈnəʊpɪə, ˌæsθɪˈnɒpɪk /

noun

  1. a technical name for eyestrain

"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

Other Word Forms

  • asthenopic adjective

Etymology

Origin of asthenopia

< Greek asthen ( ḗs ) frail ( asthenia ) + -opia

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.