This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rural & Urban Health Centres, Workers, Norms, Subject name: Social & Preventive Medicine
[{'content': 'One Eye surgeon is recommended for: \nSelect and explain. \nA. 1 CHC, B. 2 CHC, C. 3 CHC, D. 5 CHC', 'role': 'user'}, {'content': 'Answer: D \nExplanation: According to IPHS, one ophthalmologist is being envisaged for every 5 lakh population i.e. one ophthalmologist will center to 5 CHCs in India. ALSO REMEMBER: According to WHO, one ophthalmologist is being envisaged for every 50,000 population in every Asian country by 2020. 1 U-ANM, 1 Pharmacist, 1 Lab technician for 10,000 population. 1 USHA for 1000-2500 population.', 'role': 'assistant'}]