an abnormal sensitivity to or intolerance of light, as in iritis.
an abnormal fear of light.
Origin of photophobia
First recorded in 1790–1800; photo-
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for photophobia
Historical Examples of photophobia
The photophobia may be very severe when the local changes are slight.
And as to the name itself, there is hydrophobia, and photophobia, and Anglophobia—so why not microbophobia?
There are weakness of vision and photophobia, but there are no ophthalmoscopic changes.
The pupil is usually dilated, the cornea becomes opaque and may ulcerate, and there is photophobia and sometimes diplopia.
In some cases there was photophobia, and he has also found paralysis of accommodation and conjunctivitis.
British Dictionary definitions for photophobia
Derived Formsphotophobic, adjective
pathol abnormal sensitivity of the eyes to light, esp as the result of inflammation
psychiatry abnormal fear of or aversion to sunlight or well-lit places
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for photophobia
Online Etymology Dictionary, © 2010 Douglas Harper
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.
An abnormal or irrational fear of light.
The American Heritage® Stedman's Medical Dictionary
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