LASIK vs. PRK: Choosing the Right Laser Vision Correction

Both procedures reshape the cornea with excimer laser to correct myopia, hyperopia, and astigmatism.

LASIK (Flap-Based)

• Femtosecond laser creates 90–110 µm hinged flap.
• Stromal ablation under flap.
• Flap self-seals.
• Recovery: Functional vision next day; minimal pain.
• Best for: Moderate corrections, normal thickness, desire quick recovery.

PRK (Surface Ablation)

• Epithelium removed (no flap).
• Stromal ablation on surface.
• Bandage CL 4–7 days.
• Recovery: Pain days 2–4; vision improves over weeks; stable at 3–6 months.
• Best for: Thin corneas, high-risk occupations, dry eye, corneal irregularities.

Outcome Equivalence

At 6–12 months, visual acuity, refractive accuracy, and satisfaction are equivalent.

Emerging Alternative: SMILE

Small Incision Lenticule Extraction — femtosecond only, no flap, no excimer. 2–4 mm incision. Less dry eye, biomechanically stronger. Limited to myopia ± astigmatism (no hyperopia).

Decision

Comprehensive exam + surgeon discussion. No "best" — only best for you.