• PRK vs. LASIK: What is the difference?

    || 01-05-2016

    Are you considering getting laser corrective surgery to improve your vision in 2016? Then you are already one step closer to clearer vision and freedom from your glasses or contacts. Something you might not know is there are different types of laser eye surgery treatments that treat different conditions. Today we will talk about the differences between PRK and LASIK.

    What is PRK

    Photo refractive keratectomy (PRK) ( is a type of laser eye surgery that treats vision problems including:

    • Nearsightedness
    • Farsightedness
    • Astigmatism

    The PRK procedure actually pre-dates LASIK and is still performed quite frequently being the second most common type of laser eye surgery. In PRK, there is no flap on the eye created during surgery. Instead, the outer layer of the cornea is removed to expose an area for the laser to reshape the cornea. Some patients prefer this option because they’d prefer to not have a corneal flap. Your eye doctor will be able to suggest which procedure is best for you.

    What is LASIK

    Laser-Assisted In-Situ Keratomileusis (LASIK) is the most common type of laser eye surgery and treats the same vision problems as PRK. In LASIK, an incision (with either a laser or blade) is made in the cornea to create a flap. This flap is then lifted so the laser can reshape the cornea to repair the visual imperfection caused by the curvature of the cornea. The flap is then put back in place and will heal over the reshaped cornea.

    What is the difference between PRK and LASIK?

    Both surgeries work by changing the shape of the cornea to correct vision issues with the same type of laser but they are just slightly different ways to correct vision. The main differences between PRK and LASIK are how the procedure is performed and the recovery time.

    Recovery Differences between PRK and LASIK

    You can expect the recovery times between PRK and LASIK to vary. People who have PRK can expect a longer recovery time than those who have LASIK due to the nature of the procedure.

    PRK patients can expect it to take one to three days for discomfort, blurring and other post-surgical effect to subside. Patients will also need to use eye drops for several months to promote healing. The recovery for LASIK is much faster with discomfort being mild and short term.

    Patients can expect it to take up to six months for their vision to reach absolute peak acuity and clarity with PRK, while LASIK patients can see normally within several hours after the procedure.

    Results Differences between PRK and LASIK

    History has shown that both procedures produce similar results and you will likely be very pleased with the outcome. Your eye doctor can provide you with more information on how you can benefit from both procedures.

    Which is Right for You?

    While both procedures produce similar results, PRK is a better choice for patients who have thin corneas, chronically dry eyes or other issues. Choosing between PRK and LASIK is a decision best made between you and your eye surgeon during your consultation.

    If you’re ready to discuss your options for better vision with Dr. Soroudi, contact us today at (888) 495-0977 to schedule your free consultation and to see if you qualify for our 20/20 vision guarantee.

    Categories: Blog
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