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Persistent Hyperplastic Primary Vitreous

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Definition: A developmental ocular anomaly in which the primary VITREOUS BODY and its surrounding hyaloid vasculature failed to regress. It is usually unilateral and characterized by CATARACT; MICROPHTHALMOS (small eyeballs), and retrolenticular fibrovascular tissue. (from Yanoff: Ophthalmology, 2nd ed.)      Other names Persistent Hyaloid Vasculatures; Persistent Hyaloid Arteries; Persistent Hyaloid Vasculature; Persistent Fetal Vasculature Syndrome; Persistent Hyaloid Artery

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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