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LASIK (Laser-Assisted in Situ Keratomileusis) is a popular surgical procedure used to correct vision problems such as nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. It works by using highly precise lasers to permanently reshape the cornea (the clear front part of the eye), allowing light to focus correctly on the retina.

 
 

In 2025, LASIK has evolved into a “bladeless” and highly personalized procedure with a success rate of over 95–99% for achieving 20/40 vision or better.

The Procedure: Step-by-Step

A typical LASIK procedure takes only about 10–15 minutes per eye.

 

  1. Numbing: The surgeon applies anesthetic eye drops. You are awake but won’t feel pain, though you may feel slight pressure.

     
     

  2. Creating the Flap: Using a femtosecond laser (no blades are used in modern “iLASIK”), the surgeon creates a paper-thin hinged flap on the surface of the cornea.

     

  3. Reshaping: The flap is folded back, and an excimer laser removes microscopic amounts of tissue to reshape the cornea based on a digital “map” of your eye.

     

  4. Repositioning: The flap is laid back down.8 It acts as a natural bandage and heals without the need for stitches.

     
     

LASIK vs. Alternatives (2025)

If your corneas are too thin or your lifestyle is very high-impact, your surgeon might suggest these alternatives:

Feature LASIK SMILE PRK
Technique Creates a flap. Small incision (no flap). Removes surface layer (no flap).
Recovery 24–48 hours. 48 hours. 1–2 weeks (slower).
Best For Fast results/standard eyes. Dry eye prone/active users. Thin corneas/athletes.
Risk Flap displacement. Minimal. No flap risks.

Recovery Timeline & “The Rules”

Most patients notice a dramatic improvement in vision within 4 to 24 hours.

 

  • The First 4 Hours: Your eyes may feel “gritty” or itchy. Doctors recommend a nap to keep your eyes closed and resting.

     

  • Day 1–7: You will use antibiotic and steroid drops.Do not rub your eyes, as this could dislodge the healing flap.

     
     

  • Week 2: You can usually resume swimming and wearing eye makeup.

     

  • Month 1–6: Vision continues to stabilize.You may experience temporary “halos” or glare at night during this time.

     
     

Common Side Effects & Risks

  • Dry Eyes: Very common for the first 3–6 months. Most people manage this with preservative-free artificial tears.

     
     

  • Night Vision Issues: Seeing starbursts or halos around headlights.

     

  • Undercorrection/Overcorrection: About 5–10% of patients may need a minor “enhancement” (touch-up) surgery later.

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