In some patients, the cataract surgery is advised by your eye doctor depending upon the tests results, condition of your eye, extent of vision affected and the medical fitness to undergo any surgical procedure. With advancement in the medical science, the cataract surgery is very common and fairly safe. In Most cases, the cataract operation is completed and the patient is given discharge on the same day.  However, any surgical procedure would have some element of risks associated with the procedure. With cataract surgery, the normal vision of the person can be restored.