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
46 years old female in Eye OPD presents with right eye vision 6/60 and left vision as 3/60- 
Select and explain. 
A. Socially blind, B. Low vision, C. Economically blind, D. Normal vision
B: Low vision
Answer: B: Low vision 
Explanation: Normal vision-6/6 to 6/60 Low vision less than 6/18 to 6/60 and less than 6/60 to3/60 Blindness less than 3/60 Ref- A.K.Khurana textbook of Ophthalmology 6th edition.