You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is True statements about PHPV: and explain in detail?
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