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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Vaccine in the UPI which aims at preventing blindness is -
assistant
The correct answer is  Measles blindness is the single leading cause of blindness among children in low-income countries, accounting for an estimated 15,000 to 60,000 cases of blindness per year.