This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NPCBVI, NACP, Subject name: Social & Preventive Medicine
[{'content': 'A 40 year old male has vision of 6/60 in right eye and 3/60 in left eye under NPCB, he will be classified as:- \nSelect and explain. \nA. Low vision, B. Economically blind, C. Normal, D. Socially blind', 'role': 'user'}, {'content': 'Answer: A \nExplanation: COMPARISON OF WHO AND NPCB DEFINITIONS: WHO-ICD Visual acuity NPCB Low Version Category 1 Category 2 <6/18 - 6/60 <6/60 - 3/60 Low vision Economic/legal Blindness Category 3 Category 4 Category 5 <3/60 - 1/60 <1/60- PL(+) PL(-) Social blindness Manifest blindness Absolute blindness', 'role': 'assistant'}]