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Related Experiment Videos

Laser epithelial keratomileusis for myopia.

Massimo Camellin1

  • 1Sekal Microchirurgia Rovigo, Rovigo, Italy. cammas@tin.it

Journal of Refractive Surgery (Thorofare, N.J. : 1995)
|December 3, 2003
PubMed
Summary

Laser epithelial keratomileusis (LASEK) offers a new excimer laser corneal surgery technique. This method may treat larger ablation zones in thinner corneas with less pain and haze than PRK.

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Area of Science:

  • Ophthalmology
  • Refractive Surgery
  • Corneal Surgery

Background:

  • Excimer laser corneal surgery aims to correct refractive errors.
  • Traditional photorefractive keratectomy (PRK) and laser-assisted in situ keratomileusis (LASIK) have limitations.
  • A need exists for techniques addressing larger ablation zones in thinner corneas with reduced complications.

Purpose of the Study:

  • To introduce and describe laser epithelial keratomileusis (LASEK).
  • To evaluate the efficacy and safety of LASEK for correcting myopia.

Main Methods:

  • LASEK involves detaching the corneal epithelium using ethanol.
  • Photorefractive keratectomy (PRK) is performed on the underlying stroma.
  • The detached epithelium is reapplied and covered with a therapeutic contact lens.

Main Results:

  • Mean follow-up was 803 days, with refractive stability achieved around 60 days.
  • Significant reduction in myopia was observed, with mean spherical equivalent refraction improving.
  • High rates of intact epithelial flap detachment and low incidence of postoperative pain and subepithelial haze were reported.

Conclusions:

  • LASEK presents a viable option for treating myopia, particularly in cases requiring larger ablation zones or thinner corneas.
  • The technique potentially avoids complications associated with LASIK stromal flaps.
  • LASEK demonstrates reduced postoperative pain compared to PRK and minimal subepithelial haze.

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