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': 'A 46- Years old female presented at the eye OPD in a hospital. Her vision in the right eye was 6/60 and in left eye 3/60. Under the National Programme for Control of Blindness, she will be classified as \nSelect and explain. \nA. Low vision, B. Socially blind, C. Economically blind, D. Normal vision', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Low Vision - Visual Acuity - NPCB, India\nCategory 1 - <6/18 – 6/60 - Low Vision\nCategory 2 - <6/60 – 3/60 - Economic Blindness\nBlindness\nCategory 3 - <3/60 – 1/60 - Social Blindness\nCategory 4 - <1/60 – PL+ - Manifest Blindness\nCategory 5 - PL– - Absolute Blindness', 'role': 'assistant'}]