[ ahy-streyn ]
/ ˈaɪˌstreɪn /


a sensation of discomfort produced in the eyes by their excessive or improper use: to have eyestrain from reading fine print in poor light.

Words nearby eyestrain

Origin of eyestrain

First recorded in 1870–75; eye + strain1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for eyestrain

  • In spite of almost constant illness brought about by eyestrain, he accomplished more than most well men have done.

    A Civic Biology|George William Hunter
  • He, therefore, constantly tries to improve it by changing the tension of his ciliary muscles, and so brings on eyestrain.

    Physiology|Ernest G. Martin
  • Then eyestrain and headache and a touch of fever followed, and I cast about for means to ameliorate my bodily ills.

    Jungle Peace|William Beebe

British Dictionary definitions for eyestrain

/ (ˈaɪˌstreɪn) /


fatigue or irritation of the eyes, resulting from excessive use, as from prolonged reading of small print, or uncorrected defects of vision
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

Medical definitions for eyestrain

[ īstrān′ ]


Pain and fatigue of the eyes, often accompanied by headache, due to prolonged use of the eyes, uncorrected defects of vision, or imbalance of the eye muscles.asthenopia
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.