A cataract is a dense, cloudy area forms in the lens of the eye. It develops at a slow rate and eventually interferes with the eye. People might end up with cataracts in both eyes, but they usually don’t form at the same time. Cataracts are common in older people and over half of people in the United States have cataracts or have undergone cataract surgery by the time they’re 80 years old. In this session details will be discussed about the causes and types of cataract such as age-related cataracts, congenital cataracts, secondary cataracts, traumatic cataracts, nuclear cataracts, cortical cataracts and posterior sub capsular cataracts. When the eye lenses get the opportunity to be shady, Cataract evacuation is for the most part supported, in this way Cataract surgery like Cryoextraction is performed. In Cataract surgery, the lens inside the eye has wound up shady is removed and supplanted with a mimicked lens to restore clear vision. The system is performed on an outpatient start and does not require an overnight stay in a centre. Most present Cataract surgery integrates the usage of a high repeat ultrasound device that segregates cloudy lens into minute pieces, which are then carefully removed from the eye with suction