PRK vs. LASIK

Fed up of wearing glasses? Does it hinder you from living your life to its fullest? Do you also want to lead a life without the shackles of glasses? So, welcome to our comprehensive blog on two of the most popular refractive eye surgery options: PRK (Photorefractive Keratectomy) and LASIK (Laser-Assisted In Situ Keratomileusis). Both PRK and LASIK are advanced surgical techniques designed to reshape the cornea and correct common vision problems like nearsightedness, farsightedness, and astigmatism; hence, arriving at the decision that which one is better would not be as easy as it seems. 

So, in this blog, we’ll delve into the PRK versus LASIK, helping you make an informed decision about which procedure might be the right fit for your unique eye health and lifestyle. Read it till the end to understand the intricacies of both vision correction options, their processes, recovery periods, potential benefits, and associated risks.

 

What Is PRK?  

• Definition: Photorefractive Keratectomy (PRK) is a laser eye surgery aimed at correcting refractive errors such as myopia, hyperopia, and astigmatism.
• Procedure: PRK surgery involves using an excimer laser to reshape the cornea, optimizing the way light is focused on the retina. Instead of creating a flap, the outer layer of the cornea (epithelium) is gently removed to expose the underlying corneal tissue for laser sculpting.

What Is LASIK?

• Definition: LASIK, which stands for Laser-Assisted In Situ Keratomileusis, is a widely performed laser eye surgery to correct common refractive errors such as myopia, hyperopia, and astigmatism.
• Procedure: Unlike PRK, LASIK involves creating a thin flap in the cornea, which is lifted to expose the underlying corneal tissue. An excimer laser is then used to precisely reshape the corneal tissue.

PRK vs LASIK:  Key Differences

In this exploration of PRK versus LASIK, we will be highlighting every difference between LASIK and PRK, helping you easily comprehend how they are distinct from each other.

 

PRK (Photorefractive Keratectomy)	LASIK (Laser-Assisted In Situ Keratomileusis)
No corneal flap created.	Corneal flap created and lifted.
Excimer laser directly applied to the corneal surface.	Excimer laser applied after creating a corneal flap.
Epithelium removed to expose the corneal tissue.	Corneal flap lifted, exposing underlying tissue.
Longer recovery time as the epithelium regrows.	Generally quicker recovery due to the corneal flap.
Discomfort during initial healing.	Minimal discomfort for most patients.
Suitable for individuals with thinner corneas.	Preferred for patients with certain corneal thickness.
Stable and effective long-term results.	Stable and effective long-term results.
Gradual vision improvement	Rapid improvement in vision, within 24 hours.
Slightly higher risk of complications, like haze.	Higher potential for flap-related issues.
More intensive post-operative care due to the absence of a protective flap.	Less intensive post-operative care, thanks to the protective corneal flap.
Less popular but still widely performed.	Highly popular and performed worldwide.

 

PRK vs LASIK Eye Surgery – Recovery and Side-Effects

Both surgeries are popular laser vision correction procedures developed to cater to eye ailments like nearsightedness, farsightedness, and astigmatism. While LASIK or PRK aim to achieve the same goal, there are differences between them on multiple aspects, such as:

Recovery Time:

Recovery from PRK is typically longer compared to LASIK. The outer layer of the cornea, once removed, takes some time to regenerate. It may take a few days to a week for the epithelium to heal. However, LASIK generally has a quicker recovery time. Patients often notice an improvement in their vision within a day or two, and most people can return to normal activities within a week.

 

Discomfort and Pain:

In PRK patients may experience more discomfort and pain during the initial days of recovery due to the healing of the corneal surface. On the other hand, in LASIK, patients usually experience less discomfort as the corneal flap acts as a natural bandage, reducing the irritation on the corneal surface.

 

Side Effects:

Potential side effects of PRK include temporary haziness or blur, sensitivity to light, and the risk of developing corneal haze (a cloudy layer on the cornea). Dry eyes are also a common side effect. Whereas LASIK may lead to side effects such as dry eyes, glare, halos, and difficulty driving at night. Complications related to the corneal flap, such as flap dislocation or inflammation, are possible, though rare.

Who Is a Candidate for PRK vs LASIK?

In the context of LASIK versus PRK, now we will discuss the differences in the eligibility criteria for each procedure.

PRK (Photorefractive Keratectomy):

• Thin Corneal Thickness: PRK is often recommended for individuals with thinner corneas as it does not involve creating a corneal flap.
• Irregular Corneal Shape: In LASIK versus PRK, PRK is preferred for individuals with irregular corneal shape or those with corneal abnormalities.
• Occupational Considerations: PRK may be recommended for individuals involved in activities where there is a risk of trauma to the eye since there is no corneal flap that could dislodge. Also, candidates aspiring for defense services can opt for it as the correction done is not found in slit lamp test.

 

LASIK (Laser-Assisted In Situ Keratomileusis):

• Thick Corneal Thickness: In the comparison of PRK surgery Vs LASIK, it can be stated that LASIK is generally suitable for individuals with thicker corneas. The creation of a corneal flap during LASIK requires sufficient corneal tissue to ensure the flap’s stability.
• Rapid Recovery: LASIK typically offers a quicker visual recovery compared to PRK. Many patients experience improved vision within a day or two.
• Occupational Considerations: LASIK may be preferred for individuals with certain professions or lifestyles where a faster recovery and return to normal activities are essential.

 

It’s important to note that both PRK and LASIK candidates should meet certain general criteria. Additionally, the final decision must be made by an eye surgeon after a thorough examination. If you go for LASIK surgery, know the preparations required before LASIK.

 

Cost Comparison: PRK vs. LASIK

The cost of PRK and LASIK can vary based on several factors, including geographical location, technology used, and any additional pre or post-operative care. 

At Planet Lasik, we have the best team of surgeons equipped with state-of-the-art technology who efficiently perform the PRK surgery at an affordable cost of INR 45,000 only. This figure is a general estimation and may shift based on the unique aspects of your vision correction journey. But since we are the only eye-care center in North India to have all refractive solutions under one roof, we also offer LASIK surgery at an expense of INR 25000 to 50,000 only. So, visit Planet Lasik now and book your appointment.

 

Pros and Cons: PRK versus LASIK

Despite being effective and popular refractive surgeries, PRK and LASIK both have distinct advantages and disadvantages. Here’s a comparison:

PRK Pros:

• Corneal Thickness: PRK is a suitable option for individuals with thinner corneas since it does not involve the creation of a corneal flap.
• Low Complications: PRK eliminates the risk of complications related to corneal flap creation and healing.
• Suitability for Certain Conditions: It is recommended for individuals with irregular corneal shape.
• Occupational Considerations: PRK may be preferred for individuals engaged in activities with a higher risk of trauma to the eye due to the absence of a corneal flap.

 

PRK Cons:

• Longer Recovery: PRK has a longer initial recovery time as the outer layer of the cornea takes time to regenerate.
• Discomfort and Pain: PRK patients may experience more discomfort and pain during the initial days of recovery.
• Visual Recovery Time: The improvement in vision may take longer compared to LASIK.

 

LASIK Pros:

• Faster Recovery: Many patients notice improvement in their vision within a day or two.
• Occupational Considerations: LASIK may be preferred for individuals with professions or lifestyles where a faster recovery is essential.

 

LASIK Cons:

• Corneal Flap Complications: LASIK brings the risk of complications related to the creation, positioning, and healing of the corneal flap.
• Thinner Corneas: Individuals with thinner corneas may not be suitable candidates for LASIK.
• Short-Term Stability: Some studies suggest that PRK may provide more long-term stability.

 

Ultimately, the choice between PRK vs LASIK depends on individual factors such as corneal thickness, eye health, lifestyle, and personal preferences. Consulting with an experienced eye care professional is essential to determine the most suitable procedure for an individual’s specific circumstances

 

What Are the Similarities Between PRK & LASIK?

In the context of LASIK eye surgery vs PRK, now we will discuss the similarities between both procedures, such as:

• LASIK or PRK, both aimed at correcting refractive errors in the eye. 
• Both methods utilize excimer lasers to precisely reshape the cornea, enabling improved light focus on the retina and reducing the need for corrective lenses. 
• Both involve a comprehensive preoperative evaluation to determine eligibility, assessing factors like corneal thickness and overall eye health. 
• Postoperatively, patients from both procedures require follow-up appointments to monitor healing and potential complications. 
• Both LASIK or PRK, yield stable and enduring results, although individual experiences may vary. 

 

The choice between the PRK surgery Vs LASIK must depend on factors like corneal thickness, the presence of certain eye conditions, and the surgeon’s recommendation. 

 

Can PRK Be Done After LASIK?

While less common, PRK can be performed after LASIK in situations where lifting the LASIK flap is not ideal, or if the cornea is too thin for additional LASIK treatment. However, the recovery time is longer with PRK, and initial visual recovery may be slower compared to primary LASIK. Individuals considering these procedures should consult with an experienced eye surgeon to assess their specific situation and receive personalized recommendations based on their eye health and history.

 

PRK vs. LASIK: Making the Right Choice

Choosing between PRK and LASIK requires a deep consideration of several significant  factors such as personal preferences, eye health, and lifestyle. Both are both laser eye surgeries developed to correct refractive errors, but they differ in the surgical technique. While PRK procedure involves removing the outer layer of the cornea before reshaping it with a laser, LASIK creates a corneal flap for the laser to reshape. LASIK generally offers quicker recovery and less discomfort, but it may not be suitable for individuals with thin corneas or other specific conditions. PRK, on the other hand, may be a preferred option for those with certain corneal issues. Though there are multiple myths about LASIK, making the right choice depends on individual factors. Consulting with an experienced eye care professional is essential to determine the most suitable procedure for one’s unique circumstances and vision correction needs. If you go with LASIK surgery, you surely want to know what preparation needs to be done before going for LASIK. 

 

Conclusion:

In conclusion, the choice between PRK vs LASIK is a decision that should be made after careful consideration of individual factors and preferences. Both procedures share common goals of correcting refractive errors, yet they differ in surgical techniques and recovery processes. 

Ultimately, consulting with an experienced eye surgeon and undergoing a thorough evaluation will guide individuals toward the most appropriate vision correction solution for their unique needs and circumstances.

 

FAQs

• Can I have PRK if I’ve had LASIK in the past, or vice versa?

Generally, it’s possible to have PRK after LASIK, but the reverse (LASIK after PRK) is more complex and less common due to potential complications. Consult with an eye surgeon for personalized advice based on your specific circumstances.

• Is PRK or LASIK covered by insurance, and what are the typical costs for each.

Most of the health insurance companies do not cover PRK or LASIK and even other laser eye surgery procedures also, as these surgeries are considered to be elective in the medical industry. So, they consider these as a cosmetic procedure, rather than a medical necessity. For more details and terms & conditions, you should contact your insurance company.At Planet LASIK, the cost for PRK will be around INR 45,000 only while LASIK will cost you in between INR 25,000 – 50,000 only.

• Are there any age restrictions for PRK or LASIK surgery?

Age restrictions for PRK or LASIK surgery vary, but candidates are typically between 18 and 65 years old. However, individual factors like eye health and stability play a crucial role in determining eligibility.

• Does PRK last as long as LASIK?

PRK (Photorefractive Keratectomy) and LASIK (Laser-Assisted In Situ Keratomileusis) generally provide comparable long-term results in terms of vision correction. Both procedures can have lasting effects, but individual outcomes may vary.

• Which Is More Expensive, PRK Or LASIK?

LASIK is generally more expensive than PRK due to the technology and expertise required for creating a corneal flap. However, individual costs may vary based on factors such as location and eye condition.

• Can PRK or LASIK be used to correct astigmatism, and how effective are they in doing so?

Yes, both PRK and LASIK can be used to correct astigmatism, but the success may vary depending on individual factors and the severity of astigmatism.