This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuro-ophthalmology, Subject name: Ophthalmology
[{'content': 'Consecutive optic atrophy is seen in - \nSelect and explain. \nA. Papilloedema, B. Papilltis, C. Retinal detachment, D. Retinitis-pigmentosa', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Common causes are : diffuse chorioretinitis, rp, pathological myopia, CRAO. Ref :AK Khurana 6thE pg 327', 'role': 'assistant'}]