LASEK

LASEK Surgery



LASEK Surgery (Laser Epithelial Keratomileusis ) is a form of corrective refractive eye surgery, similar to LASIK and PRK, with great outcomes. The goal of LASEK is to reshape the cornea by using an excimer laser and alcohol solution. Patients with a thin cornea should notice clearer vision.


LASEK Surgery vs LASIK


If you are choosing between LASIK and LASEK, which is the better option? The main difference between LASEK and LASIK is the thickness of the created flap. With LASIK, the epithelium and stroma are made with a thickness of 100-180 microns, while in LASEK, the epithelium is cut to a thickness of 50 microns while leaving out the stroma.


PROS of LASEK


  •  Suitable if the cornea is too thin for LASIK.
  •  Less depth of laser treatment compared to LASIK.
  •  Lower risk of compromised corneal thickness.
  •  No complications related to the stromal flap.


CONS of LASEK


  •  Patients experience more discomfort/irritation during recovery than LASIK.
  •  Longer recovery times compared to LASIK.
  •  Gradual vision improvement and slower stabilization of results.
  •  Follow-up enhancements are complex when compared with LASIK.

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The LASEK Procedure

Like other laser surgery for correcting refractive errors, LASEK also uses an excimer laser for corneal reshaping. During the surgery, a partial incision will be made on the edges of the cornea with the help of a trephine blade. A sterile ethanol solution detaches the epithelium layer from one side. This layer is then replaced on the surface of an eye once the procedure is completed and is usually covered with contacts to keep it in its position.



LASEK has low popularity due to the longer recovery time compared to PRK. However, the visual outcomes will be similar. The process avoids the creation of a flap, thereby preventing the related complications, which is beneficial for individuals who engage in contact sports. 

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