LASEK Surgery
LASEK Surgery (Laser Epithelial Keratomileusis ) is a form of corrective refractive eye surgery with excellent outcomes, similar to LASIK and PRK. 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 flap created. 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, 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 with 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 surgeries for correcting refractive errors, LASEK 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. Once the procedure is completed, this layer is replaced on the eye's surface and is usually covered with contacts to keep it in position.
LASEK is less popular due to the longer recovery time compared to PRK. However, the visual outcomes will be similar. The process avoids creating a flap, thereby preventing the related complications, which is beneficial for individuals who engage in contact sports.
