What is the Difference Between Lasik and Lasek?

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LASIK and LASEK are both forms of corrective refractive eye surgeries that reshape the cornea to correct vision, but they differ in the method used to access the cornea and the thickness of the corneal flap created during the procedure. Here are the main differences between LASIK and LASEK:

  1. Corneal Flap: In LASIK, a corneal flap is created and replaced, while in LASEK, the top layer of the cornea is loosened, moved, and reattached. LASIK involves cutting deep into the outer layer of the eye, while LASEK only cuts the outer layer.
  2. Thin Corneas: LASEK can be preferable for patients with thin corneas, as it does not require harvesting as much tissue as LASIK does.
  3. High Refractive Error: LASEK may be advantageous for people with high refractive error, as it can be used in thinner corneas and/or high refractive error cases when LASIK may not be suitable.
  4. Dry Eyes: LASEK has a lower risk of dry eyes compared to LASIK.
  5. Flap Complications: There is no risk of flap complications with LASEK, as the procedure does not involve creating a corneal flap.

Both LASIK and LASEK have high success rates and can correct vision effectively, but the choice between the two procedures depends on the patient's specific vision and anatomy. An assessment by an ophthalmologist can help determine which form of corrective eye surgery is most suitable for an individual.

Comparative Table: Lasik vs Lasek

The main difference between LASIK and LASEK lies in the way the cornea is accessed and treated. Here is a comparison table highlighting the key differences between the two procedures:

LASIK LASEK
A corneal flap is created and replaced The top layer of the cornea is loosened, moved, and reattached
Uses a femtosecond laser to create the flap and an excimer laser to reshape the cornea Uses a single excimer laser to treat the cornea
Less invasive than LASEK More invasive than LASIK
Shorter healing time Longer healing time
Requires a few days to regenerate the outer layer of the cornea after surgery Less likely to cause dry eyes
Suitable for people with thin corneas Not suitable for people with thin corneas

Both LASIK and LASEK are laser eye correction surgeries that reshape the cornea to correct vision problems such as nearsightedness, farsightedness, and astigmatism. The choice between the two procedures depends on the patient's corneal thickness, overall eye health, and individual needs. An assessment by an ophthalmologist can help determine which procedure is more suitable for a specific patient.