TransPRK surgery, also known as transepithelial laser keratomileusis, is a type of excimer laser surgery, the cost of which fluctuates in price due to the level of the hospital, locality, etc. The reference price is about$10,000. The advantage of this surgery is that there is no need to create a corneal flap, the excimer laser performs the cutting of the epithelial layer and superficial stroma of the cornea, and in this way it is possible to change the refractive state of the eye and achieve the purpose of correcting myopia. Therefore, there is no incision, and there is no post-operative scarring, which is the biggest advantage of this procedure.