Photorefractive Keratectomy (PRK) and Vision Correction
Meet Dr. Randa M. Garrana, Our LASIK Specialist
When it comes to LASIK surgery, experience matters. Dr. Randa M. Garrana has performed more than 41,000 LASIK procedures and completed a prestigious Fellowship from Harvard in Cornea, External Disease, and Refractive Surgery.
As one of the leading authorities in refractive and corneal surgery, Dr. Garrana brings unparalleled expertise to every procedure at Associated Eye Physicians & Surgeons of New Jersey. Her advanced training and extensive surgical experience ensure that you receive the highest standard of care as you take the first step toward clearer vision.
Understanding Photorefractive Keratectomy (PRK)
This section explains what PRK is and why many patients choose it for reliable vision correction.
PRK is a laser eye surgery that reshapes the cornea to improve vision and lessen dependence on corrective lenses. It is ideal for patients who are not candidates for flap-based procedures.
With decades of positive results, PRK remains a dependable choice for people seeking clear, lasting vision.
What to Expect During Your PRK Procedure
Knowing what happens in the treatment room helps you feel relaxed on surgery day.
You may feel slight pressure during the procedure, but numbing drops keep discomfort to a minimum. Each eye typically takes five to fifteen minutes.
The excimer laser targets only specific areas of the cornea that need reshaping, leaving surrounding tissue untouched for optimal safety and precision.
Thanks to anesthetic drops, most patients describe the procedure as painless. The process is smooth and controlled, and every step is managed to keep you comfortable and secure.
Preparing for Your PRK Procedure
Good preparation sets the stage for a smooth surgery and recovery.
Our eye doctors discuss your personal and family health history, past eye issues, medications, and environmental factors. This conversation tailors the exam to your unique needs and risk factors.
Before detailed evaluations begin, several quick tests gauge your visual functions and help detect early signs of vision problems that may need further investigation.
- Visual Acuity Test
- Depth Perception
- Color Vision
- Eye Muscle Movement
- Peripheral Vision
- Pupil Response
Using advanced digital technology, microscopes, and lenses, our eye doctors examine both the front and back of your eyes to assess overall health and readiness for surgery.
- External Examination
- Slit-Lamp Examination
- Intraocular Pressure Measurement
- Retinal (Fundus) Examination
Long-Term Results and Stability of PRK
Understanding the recovery timeline helps set realistic expectations.
Many patients notice significant vision improvement within the first few days, though vision can vary while the corneal epithelium heals.
Over four to six weeks the healing tissue smooths out, and vision continues to improve with minor fluctuations.
Most patients reach stable vision three to six months after surgery. If fine-tuning is needed, enhancement procedures can be discussed.
Step-by-Step PRK Procedure
Each carefully planned step maximizes safety and precision.
Anesthetic eye drops ensure you feel no pain throughout the surgery.
A gentle instrument holds the eyelid open while you focus on a target light, allowing precise work on the cornea.
The surgeon removes the thin outer layer of the cornea to access the stroma where reshaping occurs.
An excimer laser delivers controlled pulses of cool ultraviolet light, removing tiny amounts of tissue to achieve the correct curvature.
A protective bandage contact lens shields the cornea while epithelial cells regenerate over the next few days.
Who Is a Good Candidate for PRK
Certain eye and health factors determine suitability for the procedure.
You should be at least 21 years old with a stable prescription for two years to ensure long-lasting results.
PRK can correct nearsightedness up to ‑12.00 diopters, farsightedness up to +6.00 diopters, and astigmatism up to 6.00 diopters.
Your cornea must be free of significant scarring, infections, or abnormal thinning for a smooth outcome.
PRK suits people with chronic dry eyes, thinner corneas, or lifestyles that pose a higher risk of eye trauma. It may not be ideal for those with certain autoimmune diseases, corneal dystrophies, past viral infections, advanced glaucoma, or uncontrolled diabetes.
The Benefits of Photorefractive Keratectomy (PRK)
PRK offers several advantages that make it a popular choice for vision correction.
Because no corneal flap is created, the cornea remains structurally stronger, a key benefit for patients with thinner corneas or higher risk of eye injury.
After vision stabilizes, many patients enjoy years of clear sight without the need for corrective eyewear.
PRK is a good option for people with chronic dry eyes or corneal shapes that are unsuitable for flap-based procedures.
Individuals whose jobs or hobbies expose them to potential eye trauma appreciate PRK’s reduced risk of flap-related complications.
Advanced, wavefront-guided techniques allow precise mapping and correction of subtle imperfections, often achieving 20/20 vision or better.
Frequently Asked Questions
Here are answers to common questions about PRK.
The surgery itself usually lasts five to fifteen minutes per eye, and total time in the facility is brief.
Anesthetic eye drops keep the procedure painless for most patients. A slight sensation of pressure may occur but is temporary and well-managed.
Initial discomfort often lasts a few days, with gradual visual improvement over several weeks. Full stabilization generally occurs within three to six months.
A bandage contact lens protects the eye while the epithelium regrows. Tearing, light sensitivity, and blurring are common but usually lessen within a week.
Yes. PRK is often selected because it avoids creating a flap, a factor that can worsen dry eye symptoms in other procedures.
If additional correction is required, enhancement procedures can be performed using a process similar to the original surgery.
Your Vision, Our Priority
Our team is dedicated to delivering safe, personalized eye care that helps you see your world more clearly. If you have questions about PRK or other vision correction options, we are here to guide you. Together we will find the best path to healthy, lasting vision.
Dr. Khan has taken care of me for many years.. He has been truly wonderful and give exceptional care.. I truly appreciate the care he and his office has always given and highly recommend him.
Warren Curtin
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.
My experience at Re Focus was great . Waiting time was short, staff was also professional . They have optical shop as well. Highly recommend
Marianne
Dr. Arnett has provided excellent medical attention for my retina eye surgery and has a very professional and positive bedside manner. I would highly recommend him.
R. T
I think I may have seen every doctor and nurse over the years, and they all make me feel very secure in their hands. With my cataract surgeries, Dr. Hosler is the best!
Steven Thornburg