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Pronunciation: fo'to-sen'si-tiv'i-te

Definition: Abnormal sensitivity to light, especially of the eyes. For example, light may irritate the eyelids, conjunctiva, cornea or, in excess, the retina; when scattered by a cataractous lens light may produce glare; it can produce a migraine headache or a temporary exotropia.

See: photophobia, photalgia, photesthesia

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.