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PRK | Photorefractive Keratectomy Eye Surgery

PRK, also known as Photoreactive Surgery Keratectomy, has been used since the 1980s to correct refractive vision problems.

The first FDA approval of a laser for PRK was in 1995, but the procedure was practiced in other countries for years. In fact, many Americans had the surgery done in Canada or Costa Rica before the equipment used in the procedure was available in the United States.

PRK is performed with an excimer laser, which uses an ultraviolet light beam to precisely remove surface pieces of tissue from the surface of the cornea in order to reshape it.  The eyes are anesethized with drops and there is no pain.  A pressurized ring is applied to keep it stable. Sometimes the cornea can feel scratchy and painful afterwards. It is often described as a foreign object sensation that may last several days.

The main difference between PRK and LASIK eye surgery is it can take some days or weeks for the full improvement in vision with PRK to be experienced. Unlike LASIK, PRK does not create a flap and has a longer recovery time and period of discomfort. However, the results are just as good as LASIK and is a good alternative for poor LASIK candidates. In addition, the procedure may be done with a custom wavefront laser for even more precise treatment.

PRK is usually used for nearsightedness but it can correct some cases of farsightedness as well.

The LASIK Review can help you find a qualified laser eye surgeon in your area. Click here to schedule a free laser eye surgery consultation, or contact us to have a LASIK Eye Surgery center contact you.

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