Type of Surgery

In PRK surgery, the eye is held open with a speculum (A). The gel-like coating on the eye, called the epithelium, is scraped away (B). A laser is used to reshape the cornea and improve vision (C). The epithelium repairs itself in a few days (D). (Illustration by GGS Inc.) In PRK surgery, the eye is held open with a speculum (A). The gel-like coating on the eye, called the epithelium, is scraped away (B). A laser is used to reshape the cornea and improve vision (C). The epithelium repairs itself in a few days (D). (Illustration by GGS Inc.)




Other Information

Approximately 56% of all patients achieve results of 20/20 or better and over 90% achieve 20/40 or better (which is good enough to drive without corrective lenses in most regions).1 Those with moderate to high myopia (greater than 7 diopters) have a lesser chance of achieving that result. As technique and technology improve, the results continue to improve.


From: Eye Surgery Education Council

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