Leukocoria

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Leukocoria refers to an abnormal white hue of the retina when viewed through routine medical ophthalmoscopy. Usually, when a light is shone through the iris, the retina appears red to the observer. In leukocoria, the retina abnormally appears white. This may indicate congential cataracts, retrolental fibroplasia, corneal scarring, retinoblastoma, ocular toxocariasis, persistence of the tunica vasculosa lentis, or Coats' disease.