Photo Refractive Keratectomy (PRK)

file_444cdb67dcc3c34659558Photo Refractive Keratectomy (PRK)

PRK is a form of refractive surgery that utilizes a laser to reshape the cornea. It is used to treat low degrees of myopia and astigmatism. PRK is often indicated for patients who are not good candidates for LASIK such as patients with thin corneas.

PRK vs. LASIK Surgery

The difference between LASIK and PRK is that for PRK a corneal flap is not created.

Healing time takes longer with PRK and is also generally more uncomfortable than with LASIK. Improved vision is not noticeable for approximately one to two weeks.


The risks for PRK are the same as those for LASIK. In addition, PRK patients are at an increased risk for corneal haze, which is the development of scar tissue on the cornea, impairing the quality of vision.

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