PTK Eliminates superficial irregular tissue in the cornea applying an excimer laser. It is often employed for corneal scars, surface irregularities or recurrent erosions. LASIK is a astonishingly economical option for vision correction once you Examine the cost of the technique into a life time of buying Eyeglasses and get https://ukdirectoryof.com/listings13476382/new-step-by-step-map-for-lasik-eye-surgery