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Oguchi disease

Pronunciation: o-gu'che

Definition: a rare congenital nonprogressive night blindness with diffuse yellow or gray coloration of fundus; after 2 or 3 hours in total darkness, fundus resumes normal color; autosomal recessive inheritance, caused by mutation in either the arrestin gene (SAG) on 2q or the rhodopsin kinase gene (RHOK) on 13q.

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