This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'For every 1,00,000 population, the highest prevalence of blindness in theworld is seen in - \nSelect and explain. \nA. Sub-Saharan Africa, B. South Asia, C. Eastern Europe, D. Latin America', 'role': 'user'}, {'content': 'Answer: A \nExplanation: About 90% of the world&;s blinds live in developing countries and around 60% of the residing sub Saharan Africa , China and India. Ref- Park&;s textbook of Preventive and social medicine 24th edition. .', 'role': 'assistant'}]