<prompt> All of the following can cause a white pupillary reflex exceptToxocara endophthalmitisRetinal detachmentPHPVCongenital Glaucoma  <response>: Congenital glaucoma The most frequent cause of leukocoria is congenital cataract Mneumonic: imp ones can be remembered by cat executes RAT on POLO white car. Cat for congenital cataract Rat for all retinal pathologies eg; retinoblastoma, ROP, RD, Retinal dysplasia. POLO for PHPV. White for white reflex. 