1, refractive regression (usually called rebound), this in the surgery, the doctor has taken into account, so generally do surgery will be more degrees, let’s say, 500 degrees of myopia, surgery, may be done by 600 degrees, this is also just after the surgery patients, why farsightedness, generally about a week to return to normal. In order to avoid excessive refractive regression, at least one month after the completion of myopia surgery, pay attention to the protection of the eyes, less TV and computer, point eye medication as prescribed by the doctor, and look more distant. 2. Dry eyes, regardless of the type of surgery, this complication is unavoidable and can be relieved by local medication. 3, glare, this complication is more related to the surgical method, it can gradually disappear or reduce after six months. 4, In addition, there are some uncommon complications, such as postoperative infection, cone cornea, corneal clouding, etc.