Blepharoplasty, or eyelid surgery, is a cosmetic procedure that trims away excess skin and fatty deposits from the upper and lower eyelids, tightens muscle and skin tissue around the eye area, and imparts a rejuvenated appearance to the eyes. Eyelid surgery eliminates loose skin from the upper eyelids, as well as beneath the eyes. In many patients, these skin folds make them look older and may, in some cases, also interfere with the ability to see clearly.