PRK Eye Surgery
A proven surface laser treatment for clearer vision
PRK is a well-established form of surface laser eye surgery that can suit patients with thinner corneas, higher prescriptions, or for some people whose occupation, sport or lifestyle makes a flap-free procedure preferable.
It corrects short-sightedness, long-sightedness and astigmatism by reshaping the cornea with an excimer laser. Unlike LASIK, however, no corneal flap is created.
Recovery can take up to five days, and the early healing period can be uncomfortable. It is normal for patients to experience light sensitivity, discomfort, and grittiness during this period. We advise patients to rest and avoid screens. For suitable patients, PRK offers an established route to long-term vision correction using a flap-free approach.
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SUCCESS RATE
97%+
Achieve 20/20 vision
World-Renowned Surgeons
PRK
From £1,847.50 per eyeor from £77 per month
A surface laser treatment suited to thinner corneas, with a slightly longer recovery.
- Free consultation
- Advanced diagnostic scans
- Pre-operative appointment with ophthalmic surgeon
- PRK Surgery
- Eye care drops
- Post-operative follow up care with refractive optometrist
- Laser lifetime care guarantee
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PRK at a glance
0
Corneal flaps createdPRK is a surface treatment5
Days wearing the protective lensRemoved by your clinical team5-7
Days away from work, typicallyDepending on your occupation18+
Minimum age, with a stable prescriptionAssessed at your consultation
PRK eye surgery: a flap-free laser eye surgery option
PRK is a surface laser eye surgery procedure designed to correct your prescription without creating a corneal flap.
It can be particularly suitable for patients with thinner corneas, higher prescriptions and certain occupational requirements, or active lifestyles involving contact sports.
The treatment works by reshaping the cornea with laser technology so light can focus more accurately inside the eye. Because the correction is performed on the surface of the cornea, the eye needs several days to heal initially.
Your consultation is designed to establish which type of laser eye surgery is most appropriate for your individual eyes.
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What is PRK eye surgery?
PRK stands for Photorefractive Keratectomy. It is a type of surface laser eye surgery used to correct refractive errors such as short-sightedness, long-sightedness and astigmatism.
During PRK, the thin outer layer of cells covering the cornea, called the epithelium, is prepared so that an excimer laser can reshape the corneal tissue beneath. Once treatment is complete, a protective contact lens is placed over the eye while the surface heals.
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How PRK compares to LASIK
PRK is not a lesser alternative to LASIK. For the right eyes it is the more suitable choice, and long-term results are comparable.
A thin corneal flap is created
No flap is created, the treatment is performed on the surface
May not be suitable
Can be an option where corneal thickness rules out a flap
A flap can be a concern
Flap-related risk does not apply
Many patients see a clear improvement within 24 to 48 hours
The surface heals over about 5 days and can be uncomfortable
Often 1 to 2 days
Typically 5 to 7 days
Strong long-term vision correction
Comparable long-term vision correction
LASIK
PRK
Corneal flap
A thin corneal flap is created
No flap is created, the treatment is performed on the surface
Thinner corneas
May not be suitable
Can be an option where corneal thickness rules out a flap
Contact sport and some occupations
A flap can be a concern
Flap-related risk does not apply
Early recovery
Many patients see a clear improvement within 24 to 48 hours
The surface heals over about 5 days and can be uncomfortable
Time away from work
Often 1 to 2 days
Typically 5 to 7 days
Long-term outcomes
Strong long-term vision correction
Comparable long-term vision correction
What happens during PRK eye surgery?
The PRK procedure involves five main steps.
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Your free PRK consultation
Your free consultation with an Optilase laser optometrist takes approximately one hour and allows us to examine your prescription, corneal health and overall suitability for laser eye surgery.
- A discussion about your vision and prescription history
- Assessment of your eye health and detailed vision testing
- Measurement of your corneal shape and thickness
- Advanced corneal mapping
- i-Design scanning where appropriate
- Assessment of your suitability for PRK or another procedure
- Discussion of your work, sport and lifestyle
- An explanation of the treatment recommended for you
- Clear information about PRK recovery time
- Discussion of potential risks and side effects
- Information about treatment costs and finance options
- Time to ask questions before deciding whether to proceed
The decision about whether PRK or another vision correction procedure is suitable should be based on your individual eyes rather than personal preference alone.
Preparing for PRK eye surgery
Your clinical team will give you personalised instructions before surgery. These may include stopping contact lens wear for a specified period before treatment, using lubricant drops to improve corneal health and avoiding eye make-up for 24 hours before your procedure. We will also explain what to expect during the first week of recovery so that you can plan work, driving and other activities realistically.
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Who is suitable for PRK?
PRK may be recommended when surface laser treatment is considered appropriate for your individual eyes. You may be suitable if you:
- Are aged 18 or over
- Have a stable prescription
- Have healthy eyes
- Have a prescription within the treatable range
- Have corneal measurements that may make a flap-free surface treatment more appropriate
- Participate in certain contact sports
- Work in an occupation where avoiding a corneal flap may be preferable
Prescription strength, corneal shape and overall eye health will also affect your suitability. Some patients will be better suited to another form of vision correction entirely. Your laser optometrist and consultant ophthalmic surgeon will advise you based on your individual assessment.
Benefits of PRK laser eye surgery
For suitable patients, there are several potential benefits of PRK laser eye surgery.
- No corneal flap requiredPRK is performed from the surface of the cornea, so the procedure does not require the creation of a corneal flap. This makes it a flap-free approach to laser vision correction.
- Suitable for patients with thinner corneasBecause PRK is performed from the surface of the cornea without creating a flap, it may be an option for some patients with thinner corneas.
- An option for some contact sports and occupationsPRK may be recommended for people involved in contact sports or certain occupations where avoiding a corneal flap may be advantageous.
- Strong long-term visual outcomesPRK is an established method of laser vision correction and can provide strong long-term visual outcomes for suitable patients.
- Reduced reliance on glasses and contact lensesThe aim of PRK is to correct your refractive error and reduce your dependence on glasses or contact lenses for everyday vision.
- Personalised treatment planningDetailed measurements taken before treatment allow your clinical team to assess your individual cornea and plan your laser correction accordingly.
Laser lifetime care guarantee
Our team takes great pride in their work, which is why we offer a lifetime care guarantee on laser procedures at our clinics. Eligible Optilase laser eye surgery patients are supported by our lifetime care guarantee, subject to the applicable terms and clinical suitability.
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Your PRK recovery, week by week
Because PRK treats the surface of the cornea, healing follows a predictable pattern. Your clinical team will give you personalised guidance at every stage.
- Day 0
Treatment day
Your procedure takes place under anaesthetic drops. A protective contact lens is fitted before you leave and you go home the same day.
- Days 1-5
The surface heals
The protective lens stays in place while the epithelium regrows. Rest, avoid screens, and expect discomfort, watering and light sensitivity.
- Days 5-7
Lens removed
Your clinical team removes the protective lens when the surface has healed. Most patients return to work around this point, depending on their occupation.
- Weeks 2-6
Vision settles
Vision continues to improve and may fluctuate as the cornea settles. You will attend follow-up appointments so we can monitor healing.
- Long term
Fine improvements continue
Fine visual improvements can continue for several months, with your results supported by our laser lifetime care guarantee.
Recovery varies from person to person. If anything feels significantly different from what your clinical team has told you to expect, contact the clinic for advice.
What's normal, and when to call us
Some symptoms are an expected part of surface healing. Others are worth a phone call.
Expected while you heal
- Discomfort
- A gritty or scratchy sensation
- Watering
- Light sensitivity
- Blurred vision
- Fluctuating vision
- Dryness
Contact the clinic if you notice
- Severe or worsening pain
- A sudden deterioration in vision
- An opaque discharge
- Excessive redness
- Symptoms that are significantly different from what your team described
These symptoms vary from person to person and generally improve as the surface of the eye heals.
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PRK aftercare
Following your aftercare plan carefully helps support your recovery. Your personalised instructions will cover:
- Prescribed eye drops
- Caring for the protective contact lens
- Avoiding rubbing your eyes
- Driving
- Returning to work
- Exercise
- Contact sports
- Showering and swimming
- Eye make-up
- Screen use
- Protecting your eyes from bright sunlight
You will also attend follow-up appointments so we can monitor how your eyes are healing. If anything feels significantly different from what your clinical team has told you to expect, contact the clinic for advice.
Dry eyes after PRK surgery
Temporary dry-eye symptoms can occur while the surface of the eye heals after PRK. Symptoms can include:
- Dryness
- Grittiness
- Burning or irritation
- Fluctuating vision
- Sensitivity to wind, heating or air conditioning
Lubricating drops will form part of your aftercare plan. For many patients, dryness improves as healing progresses, although recovery varies. Persistent or worsening dry-eye symptoms should be discussed with your clinical team.
PRK eye surgery risks and side effects
PRK is an established laser vision correction procedure, but like all forms of surgery, it has potential risks and side effects.
- Pain or discomfort during early healing
- Dry-eye symptoms
- Light sensitivity
- Blurred or fluctuating vision
- Glare or halos around lights
- Under-correction or over-correction
- Regression of part of the original prescription
- Inflammation
- Infection
- Corneal haze
- The possibility of enhancement treatment
- Rarely, more significant changes to vision
The likelihood of individual complications depends on factors such as your prescription, corneal measurements, eye health and healing response. Your clinical team will explain the risks that apply to you before treatment so you can make an informed decision.
PRK technology at Optilase
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PRK questions answered
Quick answers to the questions we hear most often about PRK at Optilase Eye Clinic.
PRK, or Photorefractive Keratectomy, is a surface laser eye surgery used to correct short-sightedness, long-sightedness and astigmatism. The outer surface of the cornea is carefully prepared before an excimer laser reshapes the tissue underneath. A protective contact lens is then placed over the eye while the surface heals.
PRK and LASEK are closely related surface laser eye surgery techniques, but they are not exactly the same. With PRK, the epithelial cells on the surface of the cornea are prepared and removed before the excimer laser treatment.
With LASEK, the epithelial layer is softened and moved aside before laser treatment, then repositioned across the corneal surface afterwards. Both procedures normally use a protective contact lens while the eye surface heals. Optilase offers PRK. Your clinical team can explain the procedure in detail during your consultation.
PRK may be recommended when your eye measurements or lifestyle make a surface procedure more suitable. For example, it may be considered for some patients with thinner corneas or people involved in certain contact sports or occupations where avoiding a corneal flap may be preferable. Your consultation will establish which treatment is most appropriate for you.
Anaesthetic drops are applied first to numb your eye. The epithelial surface is then prepared so an excimer laser can reshape the cornea and correct your prescription. A protective contact lens is placed over the treated eye afterwards and normally remains in place for approximately five days while the surface heals.
The PRK procedure itself is performed using anaesthetic eye drops. The main difference in comfort occurs during recovery. Because the surface of the cornea needs time to heal after PRK, soreness, grittiness, watering and light sensitivity can occur during the first few days. Our team will explain what to expect and how to manage the early recovery period before you have surgery.
The surface layer of the cornea generally heals over approximately five days, during which a protective contact lens is normally worn. Patients may need around 5 to 7 days away from work depending on their occupation and individual recovery. Vision then continues to improve and settle during the following weeks.
PRK treatment costs can vary depending on the treatment plan and technology recommended for your individual eyes. Your full treatment cost will be explained clearly following your suitability assessment, including what is included in your treatment and aftercare. For current information, visit our laser eye surgery pricing page.
PRK is a well-established form of laser eye surgery. However, no surgical procedure is completely without risk. Possible PRK eye surgery risks include infection, inflammation, dry eye, glare, halos, under- or over-correction and corneal haze. Careful assessment before treatment helps identify whether PRK is appropriate for your eyes. Your Consultant Ophthalmic Surgeon will discuss the relevant benefits and risks with you before surgery.
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