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: Social & Preventive Medicine
[{'content': 'All of the following are the targets for National Programme for Control of Blindness (NPCB), EXCEPT: \nSelect and explain. \nA. Increase cataract surgery rate to 450 operations per lakh population, B. Intraocular lens implantation in more than 80 percent cataract surgery cases, C. 100% coverage of vitamin A prophylaxis doses from 9 months to 3 years of age, D. Development of 50 pediatric ophthalmic units', 'role': 'user'}, {'content': "Answer: C \nExplanation: Targets for National Programme for Control of Blindness (NPCB): To increase the cataract surgery rate to 450 operations per lakh population Intraocular lens implantation in more than 80% cataract surgery cases by 2007 Development of 50 pediatric ophthalmology units Facilities for early diagnosis and treatment of glaucoma and diabetic retinopathy Setting up 20,000 Vision Centers in rural areas Development of 25 fully operational eye bank network Developing human resources and institutional capacity for eye care by providing training to eye surgeons and other personnel at various levels, supply of ophthalmic equipments and grant-in-aid to NGOs. Ref: Park's Textbook of Preventive and Social Medicine, 19th edition, Page 292.", 'role': 'assistant'}]