PTK removes superficial irregular tissue in the cornea utilizing an excimer laser. It is usually employed for corneal scars, floor irregularities or recurrent erosions. Some sufferers may well knowledge gentle dryness in eyes which is generally relieved by lubricating drops and disappears eventually. Some may additionally expertise temporary halos through https://seeyoudirectory.com/listings13434518/not-known-factual-statements-about-lasik-surgery