photophobia

photophobia
n.
an abnormal intolerance of light, in which exposure to light produces intense discomfort of the eyes with tight contraction of the eyelids and other reactions aimed at avoiding the light. In most cases the light simply aggravates already existing discomfort from eye disease. Photophobia may be associated with dilation of the pupils as a result of eye drops or with migraine, measles, German measles, meningitis, iritis, or disruption of the sensitive corneal epithelium.

The new mediacal dictionary. 2014.


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