Cataract develops slowly over the course of time leading to clouding of the lens which is normally clear. Femtosecond laser assisted cataract surgery (FLACS) is an advanced form of cataract surgery. In this video, Dr. K P Reddy, Ophthalmologist, Refractive Surgeon, Maxi Vision Eye Hospital at Hyderabad explains what is cataract, what happens in FLACS and more.