This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Community Ophthalmology, Subject name: Ophthalmology
[{'content': 'Apex national institute of ophthalmology is \nSelect and explain. \nA. Advance eye care PGI Chandigarh, B. RIO, C. Dr. R P Centre for Ophthalmic Sciences , Delhi, D. Shankara Netralaya , Chennai', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Dr RP Centre for Ophthalmic Sciences, New Delhi has been designated as the apex national institute of ophthalmology.', 'role': 'assistant'}]