PTK removes superficial irregular tissue through the cornea applying an excimer laser. It is often used for corneal scars, surface irregularities or recurrent erosions. Some patients might expertise mild dryness in eyes which is often relieved by lubricating drops and disappears with time. Some could also expertise short-term halos all https://telebookmarks.com/story11402102/5-tips-about-lasik-eye-surgery-you-can-use-today