PTK eliminates superficial irregular tissue in the cornea utilizing an excimer laser. It is often used for corneal scars, area irregularities or recurrent erosions. LASIK surgery is just not acceptable for everyone, especially those with ailments that have an impact on wound therapeutic like diabetic issues. This is similar to https://serpsdirectory.com/listings13444418/top-latest-five-best-lasik-eye-surgery-urban-news