Photorefractive Keratectomy (PRK) and Vision Correction
The Step-by-Step PRK Procedure
Understanding each step of PRK can help you feel prepared and confident. Every phase is designed to maximize safety and precision.
Your experience begins with the application of anesthetic eye drops so you feel no pain throughout the surgery.
An instrument gently holds your eyelid open while you focus on a target light, allowing the surgeon to work precisely on your cornea.
The surgeon delicately removes the thin outer layer of the cornea, called the epithelium, to access the stroma where reshaping will occur.
After the cornea is reshaped, a protective bandage contact lens is placed over the eye to shield it as the epithelium regenerates over the next few days.
What to Expect During Your PRK Procedure
Knowing what happens during surgery can ease worries and help you focus on recovery.
You may feel slight pressure, but numbing drops keep discomfort minimal. Each eye is treated in about five to fifteen minutes.
This precise laser targets only specific areas of the cornea that need reshaping while sparing surrounding tissue, adding to the safety and effectiveness of PRK.
With anesthetic drops in place, most patients describe the procedure as painless and are impressed by how smooth and controlled it feels.
Who Is a Good Candidate for PRK
Several factors determine whether PRK is the right choice for your eyes and lifestyle.
Candidates should be at least 21 years old and have a stable refractive prescription for two years to promote lasting results.
PRK can correct nearsightedness up to ‑12.00 diopters, farsightedness up to +6.00 diopters, and astigmatism up to 6.00 diopters.
The cornea must be free of significant scarring, infections, or atypical thinning to ensure a smooth and effective outcome.
PRK is often suitable for individuals with chronic dry eyes, thinner corneas, or lifestyles that carry a higher risk of eye trauma. Those with autoimmune diseases, corneal dystrophies, certain viral infections, advanced glaucoma, or uncontrolled diabetes may need alternative options.
Preparing for Your PRK Procedure
A thorough preparation plan supports accurate treatment and smooth recovery.
The consultation includes measurements of eye curvature, corneal thickness, tear production, and refractive stability to customize your treatment plan.
If you wear contact lenses, you will stop using them for at least two weeks before the exam so your corneas return to their natural shape for precise measurements.
Your surgeon will explain each step of PRK, outline possible discomfort, review recovery milestones, and address lifestyle considerations during healing.
The Long-Term Results and Stability of PRK
PRK delivers gradual yet lasting improvements that many patients appreciate.
Most patients notice significant vision improvement within the first few days, though vision can vary as the epithelium heals.
Over four to six weeks, healing tissue smooths out and vision continues to improve, with minor fluctuations possible.
A stable endpoint is usually reached within three to six months. If needed, enhancement procedures can fine-tune vision further.
The Benefits of Photorefractive Keratectomy (PRK)
PRK offers unique advantages that make it a preferred option for many patients.
Because no flap is created, the cornea remains structurally stronger, which is helpful for thinner corneas and high-impact activities.
After healing and stabilization, many people enjoy years of clear vision without corrective eyewear.
PRK is well suited for individuals with chronic dry eyes or corneal shapes that are not ideal for flap-based procedures.
Those whose jobs or hobbies carry a risk of eye trauma avoid flap-related complications with PRK.
Wavefront-guided techniques allow highly personalized treatments that can correct subtle imperfections for crisp vision.
Frequently Asked Questions
The following answers address common concerns about PRK.
The surgery itself lasts about five to fifteen minutes per eye, and total time in the clinic is brief.
Anesthetic eye drops keep the procedure painless. Some patients feel slight pressure, but any discomfort is temporary and well managed.
A bandage contact lens protects the eye while the epithelium regrows. Tearing, light sensitivity, and blurring usually improve within the first week.
During the first week you may notice tearing, sensitivity to light, and mild blurring. These effects generally lessen quickly as healing continues.
Yes. PRK is often chosen because it avoids flap creation, a factor that can contribute to dry eye symptoms in other procedures.
Supporting Your Vision Journey
Our team is dedicated to guiding you through every stage of PRK, from evaluation to long-term follow-up. We are committed to helping you achieve clear, comfortable vision and to answering any questions you may have along the way.
I just finished my last post-op visit following my laser and cataract surgery. I am extremely pleased with the results. I would highly recommend Dr. Reing.
Lois Fleming
Dr. Reing and staff were excellent and professional with my eyecare, cataract and Lasik surgery.
Taryn Savastano
Dr. Choo and her staff are amazing! Going to the doctor is not always fun but Dr. Choo has a wonderful bedside manner and makes me feel at ease! I definitely recommend the office for your eye care needs.
Kim Mathisen
I've never been to an eye doctor and felt so comfortable! As soon as I walked in I was greeted by the friendly staff. Everything was recently renovated and it looks amazing! Definitely will be back!
Scheri A (ViciousPanda87)
I wanted to express my deepest gratitude for the remarkable care and expertise Dr. Garrana provided during my PRK surgery with cross-linking. Her skills and dedication have truly changed my life in ways I never thought possible. Thanks to the exceptional treatment, my vision has been transformed.
Ramzi C.