PRK, or photorefractive keratectomy, is a laser vision correction procedure that is like LASIK in that it uses a laser to reshape the cornea. It differs from LASIK in that there is no flap created but instead the laser is used on the more anterior aspects of the cornea. Although the visual results between LASIK and PRK are the same, it takes PRK patients longer to get to their final visual result. PRK is an excellent choice for patients that have thinner or irregular shaped corneas. You may also experience some discomfort while your eyes recover. But in the end, most patients that choose PRK end up with 20/20 vision or better, making it an excellent vision correction choice.
How PRK and LASIK Differ as Laser Vision Correction Procedures
PRK and LASIK both use a laser to reshape the cornea. PRK differs from LASIK in that there is no flap created. Instead the laser is used on the more anterior aspects of the cornea. The visual results between LASIK and PRK are the same. It takes PRK patients longer to get to their final visual result but is an excellent choice for patients that have thinner or irregular shaped corneas.

