This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
[{'content': 'The differential diagnosis of Retinoblastoma include all of the following except \nSelect and explain. \nA. Persistent hyperplastic primary vitreous, B. Coats disease, C. Retinal astrocytoma, D. Retinal detachment', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Retinal detachment does not present as leucocoria. That is white eye reflex Refer khurana 6/e p 420', 'role': 'assistant'}]