persistent anterior hyperplastic primary vitreous body per·sist·ent anterior hyperplastic primary vitreous body (pər-sĭs'tənt, -zĭs'-)
n.
A unilateral congenital abnormality of the eye occurring in full-term infants and characterized by a retrolental fibrovascular membrane, leukokoria, microphthalmos, shallow anterior chamber, and elongated ciliary processes.