Laser-assisted in situ keratomileusis (LASIK) has become synonymous with laser eye surgery. But it’s not your only option. If you have a cornea problem like nearsightedness or farsightedness, but you aren’t a candidate for LASIK, consider photorefractive keratectomy (PRK).
According to the American Academy of Ophthalmology, 90% of PRK patients experience at least 20/40 vision after undergoing this surgery. If you’re interested in learning more, reach out to Stephen Khachikian, MD, in Rapid City, South Dakota. He specializes in PRK and other vision correction procedures to help you achieve clearer sight.
Here’s everything you need to know about PRK: what it is, how it differs from LASIK, and whether you’re a candidate.
Both procedures use laser technology to reshape the cornea and improve vision, but they take different approaches.
LASIK involves creating a hinged flap in the cornea, which Dr. Khachikian lifts to reshape and reposition.
When performing PRK, Dr. Khachikian avoids creating a flap and instead removes the epithelium — the cornea’s thin outer layer — and reshapes the underlying tissue. The epithelium naturally regenerates over the following days.
Because PRK eliminates the need for a corneal flap, it reduces the risk of flap-related complications and may be a better choice for people with thin corneas or active lifestyles. PRK is also a great option for patients with a higher prescription strength or those who’ve had previous eye surgeries.
PRK may be an excellent vision correction option for you if you have:
PRK can treat nearsightedness, a condition where nearby objects are clear, but distant ones appear blurry. This happens when the cornea is too steep, causing light to focus in front of the retina rather than directly on it.
PRK helps correct the refractive error that causes difficulty seeing objects up close. It occurs when the cornea is too flat or the eye is too short, making light focus behind the retina.
Astigmatism results from an irregularly shaped cornea or lens, which causes blurry or distorted vision at all distances. PRK smooths the cornea’s shape, allowing light to focus more evenly on the retina.
Although PRK isn’t a cure for presbyopia, or age-related difficulty focusing on close objects, it can help correct the underlying refractive error that contributes to blurry vision in people over 40.
Recovery from PRK can take a little longer than LASIK — typically up to five days, during which time Dr. Khachikian may recommend medication to manage your discomfort. After the initial healing process, your vision should improve significantly.
PRK is an excellent refractive surgery option for people who aren’t LASIK candidates. If you’re ready for clearer vision without eyeglasses or contacts, call our office today or schedule an appointment online.
