As per the World Health Organisation (WHO) today there is an estimated 180 million people worldwide who are visually disabled. Of these between 40 and 45 million people are blind and approximately 50% of the world's blind suffer from cataract. However the major concern is that there are many misconceptions related to cataract including the surgery. So we spoke to Dr Sreelakshmi Nimmagadda Managing Director of Win Vision Eye Hospitals to bust few common myths about cataract. Myth 1: Cataract surgery is very painful. Earlier the technique involved the use of injections to make the eye numb for the surgery.