Treating the Surface

LASIK (laser in situ keratomileusis) is performed by using either a blade or a laser to fashion a flap in the cornea. That flap is then reflected away and the Wavefront guided Excimer laser reshapes the cornea. Then flap is then replaced over the treated area. PRK (photorefractive keratectomy) uses the exact same Excimer laser, but instead of creating a flap this treatment is made on the front surface of the cornea after removing only the surface layer of cells.

Chart Showing the PRK Surgery Process

PRK is generally used in patients that have thinner corneas. Visual outcomes are the same as LASIK, but because the surface layer grows back and smoothes it takes 5-7 days for the vision to be clear.

For more information and a video tutorial please click on the instructional video below.​

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