<prompt> Persistent primary hyperplastic vitreous is associated with -Patau syndromeEdward syndromeTrisomy 14Downs syndrome  <response>: Persistent hyperplastic primary vitreous PHPV, also known as Persistent Fetal Vasculature PFV, is a rare congenital developmental anomaly of the eye that results following failure of the embryological, primary vitreous and hyaloid vasculature to regress seen in Trisomy 13 -patau syndrome,Norrie disease,Walker-warburg syndrome. 