A blepharoplasty carries with it the same risks of any surgery, which include scarring and possibly infection. Postoperative bleeding is a possibility with a blepharoplasty. This can be very serious and can lead to visual impairment. For that reason, conditions that may predispose a patient to bleeding are carefully considered before the operation. This includes making sure the patient has a normal blood pressure and is not taking any type of drugs or food substances that can lead to thinning of the blood and postoperative bleeding. A condition known as ectropion can develop in the lower eyelids. In this case, the lower eyelid is pulled downward. This is very unusual and there are techniques your surgeon can employ to help prevent this.