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': "Paton's lines are peripapillary folds which result due to \nSelect and explain. \nA. Optic neuritis, B. Papilledema, C. Anterior ischemic optic neuropathy, D. CRAO", 'role': 'user'}, {'content': "Answer: B \nExplanation: Papilledema leads to CIRCUMFERENTIAL PERIPAPILLARY RETINAL FOLDS known as Paton's Lines.", 'role': 'assistant'}]