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': 'Retinal nervefibres most sensitive to glaucomatous damage are: \nSelect and explain. \nA. Superior and inferior arcuate fibres, B. Macular fibres, C. Superior radiating fibres, D. Inferior radiating fibres', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Superior and inferior arcuate fibres', 'role': 'assistant'}]