There are many reasons for the large difference in vision between the left and right eyes after laser surgery, some of which are normal phenomena during the postoperative recovery period, and some of which should be diagnosed in the hospital, while paying attention to the daily protection and health care of the eyes. If the difference between the vision of the left and right eyes is large during the postoperative recovery process, in this case, you should go to the hospital and check whether there is the phenomenon of postoperative astigmatism or not, if astigmatism occurs, you must consult the attending doctor in time. Laser surgery can also cause an increase in aberration, aberration is also the main reason for the large difference between the left and right eyes after surgery, there is no way to correct this situation, you can only slowly adapt. In addition, after laser surgery patients must pay attention to rest, do not stay up late, and can not often play with cell phones and computers and other electronic products that have radiation, you can usually see more far away. If there are uncomfortable symptoms after laser surgery, it is recommended to consult a doctor in a timely manner, and follow the doctor’s instructions for systematic treatment, so as not to delay the condition.