Mondo Description 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.)

Disease Ontology Description A developmental vitreous disease that is characterized by leukocoria, strabismus and vision loss, caused by failure of primary vitreous and hyaloid vasculature to regress during embryological development.