Cataract is a part of the ageing process which leads to gradual loss of vision. Surgery is the only treatment for cataract in which the clouded lens is replaced with an artificial lens. In this video, Dr. Saurabh Choudary, CEO and HOD of cataract and refractive services at ICare Eye Hospital, Noida explains the types of lenses used in a cataract surgery and how it is performed.