LASEK vs. LASIK: What’s the Difference and Which One Should You Choose?

Bgn admin

2025.12.01

If you're considering vision correction surgery, you’ve probably come across the two most common methods: LASEK and LASIK.
Both can give you clear vision without glasses or contact lenses, but the way the surgeries are performed — and who they are best for — is quite different.

Here’s an easy explanation to help you understand the differences and decide which option may fit your eyes better.


What Is LASIK?


LASIK (Laser-Assisted In Situ Keratomileusis) is the most widely known and commonly performed type of laser eye surgery.


How LASIK Works

  1. A very thin flap is created on the cornea.

  2. A laser reshapes the inner corneal layer.

  3. The flap is placed back down, where it naturally seals.


Advantages of LASIK


  • Fast recovery — many patients see clearly the next day.

  • Minimal discomfort during and after surgery.

  • Stable results for most prescriptions.


Who LASIK Is Good For


  • People with normal corneal thickness

  • People who want a quicker recovery

  • People with active daily lifestyles (not extreme sports)


     What Is LASEK?

    LASEK (Laser-Assisted Sub-Epithelial Keratectomy) is a flapless surgery, meaning no corneal flap is created.


    How LASEK Works


    1. The thin outer layer of the cornea (epithelium) is gently loosened.

    2. The laser reshapes the surface of the cornea.

    3. A protective lens is placed to help healing.


    Advantages of LASEK


    • No corneal flap, which eliminates flap-related risks.

    • Safer for thin corneas compared to LASIK.

    • Good option for high myopia in some cases.


    Who LASEK Is Good For


    • People with thin corneas

    • People with corneal irregularities

    • Military, police, professional athletes (depending on job requirements)

    • People who prefer flapless surgery


      Which One Is Better?


      There is no single “best” procedure for everyone. The right choice depends entirely on your corneal thickness, prescription, eye shape, lifestyle, and medical history.

      Ultimately, the method that gives the best results and long-term eye health is determined by the doctor after a full, detailed eye examination. The doctor will recommend the safest and most effective option based on your eye condition.


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      Address: Lotte World Tower, 11th Floor, 300 Olympic Road, Songpa-gu, Seoul, Korea

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