This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Ophthalmology
[{'content': "Cherry red spot is seen in \nSelect and explain. \nA. Tay Sach's disease, B. Batten Mayous disease, C. von Gerkie's disease, D. Mucopolysaccharidosis", 'role': 'user'}, {'content': "Answer: A \nExplanation: (A) Tay Sach's disease # CHERRY RED SPOT is seen in central retinal artery occlusion, Tay-Sach's disease, Niemann-Pick's disease, Gaucher's disease and Berlin's oedema.", 'role': 'assistant'}]