Ophthalmology According to WHO, blindness is defined as: September 2009, 2010 A Visual acuity of less than 1/60 B Visual acuity of less than 3/60 C Visual acuity of less than 6/60 D Visual acuity of less than 6/18 💡 Explanation According to WHO, blindness is defined as: September 2009, 2010 ✓ Correct Answer: B. Visual acuity of less than 3/60