PTK gets rid of superficial irregular tissue within the cornea using an excimer laser. It is commonly used for corneal scars, surface irregularities or recurrent erosions. Indeed, LASIK can right myopia by flattening the cornea so distant objects seem clearer. It is also employed for hyperopia and astigmatism. Smoking cigarettes https://wekurehealth.com/best-lasik-eye-surgery-in-delhi/