Take this exclusive quiz to brush up your knowledge about Opthalmology. This quiz involves the common multiple-choice questions related to the cataract. A cataract is a common disorder of eye leading to a decrease in vision.

It is responsible for half of the cases of blindness and 33% of visual impairment worldwide. The etiology of cataract involves mainly ageing but sometimes trauma to the eye, exposure to the eye or maybe congenital.