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Published on Nov 6, 2007
Phacoemulsification, or phaco, cataract surgery is a procedure in which an ultrasonic device is used to break up and then remove a cloudy lens, or cataract, from the eye to improve vision. The insertion of an intraocular lens (IOL) usually immediately follows phacoemulsification. With advancements in cataract surgery such as the IOL patients can sometimes experience dramatic vision improvement.