LASIK vs PRK vs SMILE in 2026 — Which Laser Eye Surgery Is Best for You?

If you are considering laser vision correction in Melbourne in 2026, you will encounter three main procedures: LASIK, PRK, and SMILE. Each reshapes the cornea to correct refractive error — myopia, hyperopia, or astigmatism — but they differ in technique, recovery, and ideal patient profile. Understanding the differences helps you have a more productive conversation with your surgeon.

What All Three Procedures Aim to Achieve

LASIK, PRK, and SMILE all permanently reshape the cornea to reduce or eliminate your need for glasses or contact lenses. The most commonly treated condition is myopia (short-sightedness), though LASIK and PRK also address hyperopia and astigmatism. SMILE is currently best established for myopia and myopic astigmatism.

Final visual outcomes — when surgery is performed on well-selected patients — are equivalent across all three procedures. The differences lie in the method, recovery, and risk profile.

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LASIK — The Established Standard

How it works: A femtosecond laser creates a thin hinged flap on the corneal surface. The flap is lifted, an excimer laser reshapes the tissue underneath, and the flap is replaced. The flap seals without stitches within minutes.

Recovery: Fast. Most patients notice dramatically improved vision by the next morning. Discomfort is minimal.

Advantages:

• Rapid visual recovery — typically clear within 24 hours
• Minimal discomfort post-operatively
• Suitable for myopia, hyperopia, and astigmatism
• Reversible enhancement possible if needed
• Extensive long-term safety data (30+ years)

Disadvantages:

• Creates a permanent corneal flap — small risk of flap dislocation with significant eye trauma
• Higher rate of temporary dry eye compared to SMILE
• Requires adequate corneal thickness for flap creation plus underlying reshaping

Best for: Patients with moderate myopia or hyperopia, astigmatism, adequate corneal thickness, who prioritise the fastest visual recovery.

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PRK — The Original Flapless Procedure

How it works: The surface epithelial cells are gently removed (by alcohol solution, brush, or laser), and the excimer laser reshapes the corneal surface directly. No flap is created. The epithelium regenerates over 3–5 days under a bandage contact lens.

Recovery: Slower. Vision is blurry and the eye is more uncomfortable for the first 3–5 days while the surface heals. Visual stability typically takes 2–4 weeks, with final vision comparable to LASIK.

Advantages:

• No flap — ideal for thin corneas, contact sport athletes, certain occupations
• Lower risk of dry eye complications
• Preserves more corneal structural integrity
• Suitable for patients excluded from LASIK due to thin corneas
• Very long-term safety data

Disadvantages:

• Longer, more uncomfortable recovery period
• Small risk of superficial corneal haze at higher prescriptions (treated or prevented with mitomycin C)
• Longer period of blurred vision post-operatively

Best for: Thin corneas, contact sport athletes (AFL, boxing, martial arts), military and law enforcement, patients with borderline dry eye, and patients who have had prior corneal surgery.

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SMILE — The Newest Approach

How it works: A femtosecond laser (Zeiss VisuMax) creates a lens-shaped disc of tissue (lenticule) within the cornea, then extracts it through a tiny 2–4mm keyhole incision. No flap is created and the corneal surface is not removed. The corneal shape changes as a result of the missing lenticule.

Recovery: Similar to LASIK — most patients see well within 1–3 days with minimal discomfort.

Advantages:

• Flapless and surface-sparing — corneal biomechanical strength well preserved
• Lowest rate of post-operative dry eye (fewest corneal nerves disrupted)
• Fast visual recovery without surface discomfort
• Accumulating evidence of strong long-term outcomes

Disadvantages:

• Currently most effective for myopia and myopic astigmatism; limited data for hyperopia
• Requires a specific laser platform (Zeiss VisuMax) — fewer centres offer it
• Enhancements are technically more complex than LASIK
• Surgeon experience curve is important

Best for: Myopic patients — particularly those concerned about dry eye, active individuals, or those who prefer a flapless procedure with fast recovery.

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Side-by-Side Comparison

| | LASIK | PRK | SMILE | |---|---|---|---| | Recovery speed | Fast (1–2 days) | Slow (1–4 weeks) | Fast (1–3 days) | | Discomfort | Minimal | Moderate (3–5 days) | Minimal | | Dry eye risk | Moderate | Low | Lowest | | Thin cornea suitability | Limited | Good | Good | | Hyperopia correction | Yes | Yes | Limited | | Flap or surface removed | Flap | Surface | Neither | | Years of safety data | 30+ | 35+ | 10+ | | Enhancement ease | Easy | Moderate | More complex |

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How Do I Choose?

There is no universally "best" procedure. I assess each patient individually based on:

• Corneal thickness and shape — measured with topography and tomography
• Prescription — the degree of myopia, hyperopia, and astigmatism
• Dry eye status — assessed carefully before any recommendation
• Lifestyle and occupation — contact sports, occupational requirements
• Patient preference — particularly regarding recovery time

For many Melbourne patients, LASIK offers the most straightforward path. For those with thinner corneas, dry eye concerns, or who are active in contact sports, PRK or SMILE may be the better option. I will give you a direct recommendation based on your specific assessment findings.

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About My Approach

I trained in refractive surgery at the Wilmer Eye Institute, Johns Hopkins — one of the world's leading ophthalmic centres — and subsequently at the Royal Victorian Eye and Ear Hospital. For complex refractive cases, I assess both laser options and implantable lens alternatives such as phakic IOLs or refractive lens exchange, and recommend the most appropriate approach for your eyes and lifestyle.

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Dr Ross MacIntyre consults at Northern Eye Consultants in Bundoora. Book an appointment →