Xining Aier ophthalmologist introduced: Laser myopia surgery is to use laser to cut the cornea, thus changing the diopter of the cornea to correct myopia. Double eyelid surgery mainly acts between the skin surface and the real skin, and the two operations are independent of each other. However, double eyelid surgery easily affects the function of meibomian gland, and some people may not be able to close their eyes completely after operation, resulting in dry eye.