This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
[{'content': 'All of the following can cause a white pupillary reflex except – \nSelect and explain. \nA. Retinoblastoma, B. Cataract, C. Retrolental fibroplasias, D. Glaucoma', 'role': 'user'}, {'content': "Answer: D \nExplanation: Conditions causing leukocoria (Pseudoglioma)\nHereditary conditions :- Norrie's disease, congenital retinoschisis, Incontinetia pigmenti, dominant exudative vitreoretinopathy.\nDevelopmental :- Persistent hyperplastic primary vitreous (PHPV), congenital cataract, cloboma, retinal dysplasia, congenital retinal fold, myelinated nerve fibres, morning glory syndrome, congenital corneal opacity.\nInflammatory :- Ocular toxocariasis, congenital toxoplasmosis, congenital CMV retinitis, HSV retinitis, Peripheral uveoretinitis, endophthalmitis, orbital cellulitis.\nTumors :- Retinal astrocytic hamartoma, Medulloepithelioma, Glioneuroma, Choroidal hemangioma, Leukemia. Miscellaneous :- Coat's disease, Retinopathy of prematurity (Retrolental fibroplasia), Rheugmatogenous RD, Vitreous hemorrhage, perforating ocular injury.", 'role': 'assistant'}]