photophobia

[foh-tuh-foh-bee-uh]
noun Pathology.
1.
an abnormal sensitivity to or intolerance of light, as in iritis.
2.
an abnormal fear of light.

Origin:
1790–1800; photo- + -phobia

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World English Dictionary
photophobia (ˌfəʊtəʊˈfəʊbɪə)
 
n
1.  pathol abnormal sensitivity of the eyes to light, esp as the result of inflammation
2.  psychiatry abnormal fear of or aversion to sunlight or well-lit places
 
photo'phobic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Medical Dictionary

photophobia pho·to·pho·bi·a (fō'tə-fō'bē-ə)
n.

  1. An abnormal sensitivity to or intolerance of light, especially by the eyes, as may be caused by eye inflammation, lack of pigmentation in the iris, or various diseases.

  2. An abnormal or irrational fear of light.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
For many people, photophobia is not due to any disease.
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