<prompt> True statements about PHPV:Visual prognosis is goodGenerally unilateralAssociated with microphthalmiaAssociated with exophthalmos  <response>: PHPV - persistent hyperplastic primary vitreous Always unilateral Feature leukocoria Microphthalmia Traction retinal detachment Congenital cataract dd - 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 