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[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.
Origin of eyestrain
1870-75; eye + strain1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for eyestrain
  • Too much light contributes to eyestrain, as does too little.
  • The way the screens work cause severe eyestrain, and can even contribute to migraines.
  • But the price paid is a slightly jerkier image and a flickering that can cause headaches and eyestrain.
  • Writers and editors who use computers for extended periods may experience back pain, eyestrain or fatigue.
  • Mobile devices also bring along their own variants of the old problem of eyestrain.
  • Philips claims this reduces eyestrain and provides a more immersive experience.
  • Video game manufacturers are already pushing a technology which is known to cause eyestrain and which impairs depth perception.
  • Each time, though, it's done in by the same complaints: poor image quality and headaches and eyestrain from extended viewing.
  • Films can also increase visibility inside and lessen eyestrain by reducing the harsh glare that comes from strong sunlight.
  • Recommends accommodations to reduce eyestrain or enhance vision.
British Dictionary definitions for eyestrain


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
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eyestrain in Medicine

eyestrain eye·strain (ī'strān')
Pain and fatigue of the eyes, often accompanied by headache, due to prolonged use of the eyes, uncorrected defects of vision, or an imbalance of the eye muscles. Also called asthenopia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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