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Definition of Leukocoria

Leukocoria: A white pupillary reflex. When one shines a bright light on the pupil, it normally appears red. In leukocoria, the light makes the pupil look white. This occurs with a number of eye diseases including congenital cataract and retinoblastoma (a malignancy of the retina).

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012

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