Definition of Photophobia

Photophobia: Painful oversensitivity to light. For example, photophobia is often seen in measles and iritis. Keeping lights dim and rooms darkened is helpful when a patient has photophobia. Sunglasses may also help.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=4882
Last Editorial Review: 3/19/2012