Is PRK Surgery Better Than LASIK?

If you’ve ever thought about ditching your glasses or contact lenses, you’ve probably come across two of the most popular laser vision correction options PRK and LASIK. Both are proven, safe, and effective procedures that can correct common vision problems like short-sightedness, long-sightedness, and astigmatism.

However, while their goal is the same helping you see clearly without external aids their approach, recovery, and suitability can differ significantly. Many people find themselves wondering, “Is PRK surgery better than LASIK for me?”

In this article, I’ll break down how each procedure works, what makes them different, and who is best suited for each one. By the end, you’ll have a clear understanding of which vision correction surgery could be the right choice for your eyes.

What Is LASIK?

LASIK (Laser-Assisted in Situ Keratomileusis) is one of the most common types of laser eye surgery. It involves reshaping the cornea the clear front part of your eye to correct how light enters and focuses on the retina.

During LASIK:

1. The surgeon creates a thin flap on the cornea using a femtosecond laser.
2. The underlying corneal tissue is reshaped with an excimer laser.
3. The flap is then repositioned, acting like a natural bandage.

The procedure is quick, painless, and recovery is typically fast. Most people notice improved vision within 24 hours.

What Is PRK?

PRK (Photorefractive Keratectomy) was actually developed before LASIK and remains a highly effective form of laser vision correction. Instead of creating a corneal flap, PRK works on the surface of the cornea.

Here’s how it’s done:

1. The thin outer layer of the cornea (the epithelium) is gently removed.
2. The laser reshapes the cornea directly.
3. A protective contact lens is placed on the eye to aid healing while the epithelium regenerates.

While the visual results are similar to LASIK, recovery takes longer because the corneal surface needs time to heal completely.

The Main Difference Between PRK and LASIK

The key distinction between PRK and LASIK lies in how the cornea is accessed.

• LASIK: Involves creating a flap in the cornea.
• PRK: Removes the corneal surface layer without creating a flap.

This difference affects everything from recovery time and comfort to who qualifies for each surgery.

If you have thin corneas or are at higher risk of trauma (such as playing contact sports), your surgeon might recommend PRK instead of LASIK.

Comparing PRK and LASIK: A Side-by-Side Look

When you’re deciding between PRK and LASIK, it really comes down to which suits you best your eyes, your lifestyle, and how quickly you want to recover.

With PRK (Photorefractive Keratectomy), the surface of your cornea is gently reshaped without creating a flap. That means it’s often a better choice if you have thin corneas, dry eyes, or a very active lifestyle where eye safety is key. The trade-off? Recovery takes a little longer usually two to four weeks and you might feel mild to moderate discomfort while your eyes heal. Once you’re fully recovered though, your vision results are just as sharp as LASIK.

LASIK, on the other hand, involves creating a thin corneal flap before reshaping the tissue underneath. It’s known for its fast recovery time most people notice clearer vision within a day or two. Discomfort tends to be minimal, which makes it a popular choice if you’re hoping to get back to your normal routine quickly. However, because LASIK involves that flap, it can come with a slightly higher risk of dryness afterwards.

In the long run, both PRK and LASIK offer excellent visual stability, and you can achieve great results with either. If a touch-up is ever needed, LASIK enhancements are usually a bit easier, while PRK retreatments take a little longer to heal.

So, when it comes down to it, neither is strictly “better.” It’s really about which procedure feels right for you your eyes, your comfort level, and your lifestyle.

The Recovery Experience

LASIK Recovery

One of the biggest appeals of LASIK is how fast recovery happens. Most people notice clearer vision almost immediately.

• You can usually return to work within 1–2 days.
• Minimal discomfort most patients describe it as slight dryness or irritation.
• Full vision stabilises within a few weeks.

PRK Recovery

PRK recovery is slower but steady. Because the corneal surface must regrow, you can expect:

• Discomfort for 3–5 days after surgery (managed with drops and medication).
• Vision gradually improving over 2–4 weeks.
• Full visual clarity achieved around 1–3 months post-surgery.

Although it takes longer, the end result crisp, clear vision is just as good as LASIK.

Safety and Risks

Both PRK and LASIK are extremely safe when performed by an experienced surgeon, but they carry slightly different risks.

LASIK Risks:

• Flap complications (though rare with modern lasers).
• Temporary dry eye symptoms.
• Potential for dislodging the flap with trauma.

PRK Risks:

• Longer discomfort period.
• Slightly higher risk of corneal haze during healing (managed with medications).
• Longer visual recovery.

Because PRK doesn’t involve a flap, it eliminates flap-related risks altogether, which makes it a good choice for those who have thinner corneas or lead active lifestyles.

Visual Outcomes: Is One Better Than the Other?

Clinical studies show that both PRK and LASIK deliver comparable long-term visual outcomes.

In the first few days, LASIK patients enjoy faster results, while PRK patients see gradual improvements. However, after a few months, vision quality and stability are usually identical.

Your lifestyle and eye health determine which path will get you there most safely.

Who Is Suitable for LASIK?

You may be a good LASIK candidate if:

• Your corneas are thick enough to create a flap safely.
• You don’t have chronic dry eye syndrome.
• You want quick recovery and minimal downtime.
• You’re not engaged in activities where eye trauma is a risk.

LASIK suits office professionals, students, and people who want instant visual freedom without taking much time off work.

Who Is Suitable for PRK?

PRK may be the better choice if:

• You have thin or irregular corneas.
• You suffer from dry eyes.
• You’re in the military, play contact sports, or have physically demanding work.
• You’re fine with a slower recovery for a more robust long-term result.

If you’re considering PRK surgery in London, a specialist will examine your corneal thickness, prescription, and lifestyle before recommending whether it’s the best option for you.

Pain and Comfort Levels

This is one area where LASIK usually has the upper hand because of its flap-based technique, healing is faster and more comfortable.

PRK, on the other hand, can cause mild discomfort for a few days post-surgery. You’ll likely need medicated drops and a protective contact lens during the early stages of healing.

The good news? Once healed, there’s no lasting pain or irritation from either surgery.

Dry Eyes and Corneal Health

LASIK can temporarily reduce tear production, causing dryness for a few weeks after surgery. While this usually improves, those already prone to dry eyes might find PRK the safer option.

PRK doesn’t cut through corneal nerves (which help regulate tear production), so the risk of post-surgery dryness is lower.

Long-Term Durability

Both PRK and LASIK offer permanent correction for most people. The reshaped cornea remains stable, meaning results last many years often for life.

However, age-related vision changes like presbyopia (needing reading glasses after 40) are natural and can occur regardless of surgery type.

Cost Comparison

Costs for PRK and LASIK can vary depending on the clinic, surgeon expertise, and technology used. Generally:

• LASIK: Slightly higher cost due to advanced flap creation technology.
• PRK: Slightly lower initial cost but may involve more follow-up visits.

Since both deliver similar results, your decision should be guided by medical suitability rather than cost alone.

Combining PRK and LASIK with Other Procedures

In some cases, surgeons use a combination approach. For example, if you’ve had LASIK before and your corneas are now thinner, PRK can be used safely for enhancement.

Your surgeon will guide you based on your specific corneal structure and visual goals.

Myths About PRK vs LASIK

Let’s debunk some common misconceptions:

• “PRK is outdated.”
  Not true it’s still widely used, especially for people who can’t have LASIK.
• “LASIK is more dangerous.”
  Both are extremely safe when performed by skilled professionals.
• “PRK results aren’t as good.”
  Once healed, PRK offers the same clarity as LASIK.
• “You’ll be in pain for weeks after PRK.”
  Discomfort usually peaks within the first few days and subsides quickly with proper care.

Which Procedure Is Right for You?

Ultimately, the “better” option really depends on you your eyes, your lifestyle, and what matters most when it comes to recovery and comfort.

If you have thin or irregular corneas, your doctor will probably lean towards PRK, since it doesn’t involve creating a flap. The same applies if you’re into contact or high-impact sports, where eye safety is crucial PRK tends to be the safer pick in those cases.

If you have a history of dry eyes, PRK might also be the gentler option, as it generally causes less dryness than LASIK.

But if you’re someone who needs to get back to work or daily life quickly, LASIK could be the way to go. It offers a much faster recovery, with many people seeing clearly within just a day or two.

And if you’re concerned about flap-related risks, PRK once again may be the better match, since it reshapes the surface of your cornea instead of going underneath it.

In the end, the only way to know for sure is through a detailed eye assessment. Your specialist will measure your corneal thickness, check for dryness, and review your prescription before recommending which procedure suits your eyes best.

Frequently Asked Questions About PRK and LASIK:

1. How do I know if I’m a good candidate for LASIK or PRK?
   The best way to find out is through a comprehensive eye examination with a qualified ophthalmologist. During your consultation, your surgeon will check the thickness and shape of your corneas, your prescription, and any existing eye conditions like dryness or allergies. If your corneas are thick and healthy, LASIK is often an excellent choice. However, if your corneas are thin or irregular, PRK may be recommended because it doesn’t require creating a flap. Your doctor will also consider your lifestyle if you play contact sports or work in dusty environments, PRK might be the safer long-term option.
2. Is PRK more painful than LASIK?
   PRK can cause more discomfort in the first few days after surgery because the surface layer of the cornea needs time to heal. You might feel sensations like grittiness, watering, or mild stinging during this period. Eye drops and protective lenses are usually prescribed to ease the irritation. In contrast, LASIK involves minimal discomfort because the surface of the cornea remains largely untouched. However, once the healing period is over, both surgeries feel the same you won’t experience ongoing pain or irritation.
3. How long does it take to recover from PRK and LASIK?
   LASIK recovery is famously quick. Most people notice sharper vision within a day or two and can return to work shortly after. PRK recovery, however, is a little slower because the corneal surface must regenerate. You can expect your vision to stabilise over two to four weeks, though complete clarity may take a couple of months. Even though PRK takes longer, the final visual result is just as good as LASIK once the healing process is complete.
4. Are the results of PRK and LASIK permanent?
   Yes, both PRK and LASIK permanently reshape your cornea to correct vision problems like myopia, hyperopia, and astigmatism. The results typically last a lifetime, though natural ageing changes in the eye such as presbyopia, which causes difficulty focusing on close objects can still occur later in life. These age-related changes are not related to the surgery itself, and many people simply use reading glasses when that time comes.
5. Can PRK or LASIK cause blindness?
   Serious complications such as vision loss are extremely rare with both PRK and LASIK when performed by an experienced surgeon using modern laser technology. The procedures are highly regulated and have decades of safety data behind them. Most issues that do arise, like temporary dryness or mild haze, are minor and treatable. Choosing a reputable eye specialist significantly reduces any risk and ensures your eyes are carefully assessed before surgery.
6. Will I still need glasses after surgery?
   Many people achieve 20/20 vision or close to it after LASIK or PRK, meaning they no longer need glasses for most activities. However, if you had a very strong prescription or your eyes naturally change over time, you might still need glasses for specific tasks like night driving or reading small print. Your surgeon can discuss realistic expectations with you during your consultation so you know exactly what to anticipate from your results.
7. Which procedure is safer if I have dry eyes?
   If you already suffer from dry eyes, PRK is generally considered the better option. This is because LASIK involves creating a corneal flap, which temporarily disrupts some of the nerves that help regulate tear production. As a result, you may experience dryness for several weeks after LASIK. PRK doesn’t disturb those nerves, so tear function tends to remain more stable. Over time, both surgeries usually allow tear production to return to normal, but PRK is often preferred if dryness is a concern.
8. How soon can I drive after LASIK or PRK?
   Most people can drive safely within 24 to 48 hours after LASIK once their vision clears and their surgeon confirms it’s safe to do so. With PRK, you’ll need to wait longer typically around a week because your vision will fluctuate as your corneal surface heals. Your doctor will schedule follow-up visits to monitor your progress and give you the green light when your eyesight meets driving standards.
9. Can I have LASIK or PRK if I’ve had eye surgery before?
   It depends on the type of surgery you’ve had and the condition of your corneas. In many cases, people who have previously undergone LASIK can later have PRK safely for enhancement if their corneas have thinned over time. However, anyone who’s had previous eye trauma, infections, or certain medical procedures will need a careful evaluation to determine eligibility. Your specialist will assess your corneal structure, thickness, and healing capacity before deciding which procedure if any is suitable.
10. How do I choose between PRK and LASIK?
    Choosing between PRK and LASIK should never be based on convenience alone. Start by considering your eye health, your lifestyle, and how quickly you want to recover. If you have thin corneas, engage in contact sports, or want to minimise dryness, PRK is probably the safer choice. If you prefer a shorter recovery time and your corneas are healthy, LASIK might be ideal. Ultimately, your eye specialist will guide you after performing detailed measurements and scans. Their recommendation will be based on what’s best for your long-term vision and comfort.

Final Thoughts: Making the Right Choice for Your Vision

Choosing between PRK and LASIK can feel like a big decision after all, your eyesight is one of your most valuable assets. Both procedures are safe, effective, and capable of delivering life-changing results when performed by an experienced surgeon.

If you lead an active lifestyle, have thinner corneas, or are worried about dryness, PRK might align more closely with your needs. On the other hand, if your corneas are thick and you’re hoping for a quick recovery, LASIK could offer the convenience and clarity you’re looking for. Either way, your decision should always be guided by a comprehensive eye examination and honest advice from a trusted specialist.

It’s natural to feel nervous about the idea of eye surgery, but PRK is not a painful procedure. Thanks to advanced numbing techniques and careful aftercare, any discomfort is minimal and short-lived. Most of what patients feel comes from the healing process a temporary stage that passes within a few days. The reward? Clear, lasting vision without glasses or contacts.

If you’re considering PRK surgery in London, you can contact us at Eye Clinic London. Our experienced team will provide a thorough assessment, personalised guidance, and support throughout the process, helping you achieve clear, confident vision safely.

References:

1. Shajari, M., Zarei-Ghanavati, S., Hashemi, H., et al., 2025. Comparison of LASIK and PRK outcomes: a meta-analysis. PubMed. Available at: https://pubmed.ncbi.nlm.nih.gov/40102791/
2. Alió, J.L., Abbouda, A., Vega-Estrada, A., et al., 2013. Visual recovery after LASIK versus PRK. PMC. Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC3730066/
3. Waring, G.O., Farjo, A.A., et al., 2022. Long-term outcomes of excimer laser refractive surgery: 10-year follow-up. PubMed. Available at: https://pubmed.ncbi.nlm.nih.gov/34241701/
4. Settas, G., et al. (2012). ‘Photorefractive keratectomy (PRK) versus laser assisted in situ keratomileusis (LASIK) for hyperopia: A systematic review’. Journal of Refractive Surgery, 28(11), pp. 759–764. Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC7388917/
5. Gao, H., et al. (2022). ‘Quality of Vision Following LASIK and PRK-MMC for Myopia Correction’, Military Medicine, 187(9-10), e1051-e1058. Available at: https://academic.oup.com/milmed/article/187/9-10/e1051/6149402