PTK gets rid of superficial irregular tissue within the cornea utilizing an excimer laser. It is often useful for corneal scars, surface irregularities or recurrent erosions. Sure, LASIK can accurate myopia by flattening the cornea so distant objects show up clearer. It's also utilized for hyperopia and astigmatism. Some vision https://victorydirectory.com/listings1018013/5-simple-techniques-for-lasik-treatment