This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitreous Humour, Uveal Disorders, Subject name: Ophthalmology
True statements about PHPV: 
Select and explain. 
A. Visual prognosis is good, B. Generally unilateral, C. Associated with microphthalmia, D. Associated with exophthalmos
C: Associated with microphthalmia
Answer: C: Associated with microphthalmia 
Explanation: PHPV - persistent hyperplastic primary vitreous Always unilateral Feature = leukocoria Microphthalmia Traction retinal detachment Congenital cataract d/d - other cause of leukocoria :retinoblastoma, congenital cataract Rx - only goal to is to save eye & maintain existing visual activity Sx - pars plana lensectomy + excision of membrane with ant vitrectomy