PTK removes superficial irregular tissue from your cornea employing an excimer laser. It is frequently employed for corneal scars, floor irregularities or recurrent erosions. The Pentacam program makes a 3D picture of your cornea. This allows the laser to account for particular person corneal elevations and thickness distinctions. Clients with https://getsocialnetwork.com/story6407180/lasik-eye-surgery-options