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Excimer laser refractive surgery

E E Manche1, J D Carr, W W Haw

  • 1Department of Ophthalmology, Stanford University School of Medicine, California 94305-5308, USA.

The Western Journal of Medicine
|July 31, 1998
PubMed
Summary
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Excimer laser refractive surgery, including photorefractive keratectomy and laser in situ keratomileusis, corrects vision by reshaping the cornea. These advanced treatments effectively reduce or eliminate the need for glasses and contact lenses.

Area of Science:

  • Ophthalmology
  • Laser Surgery
  • Corneal Refractive Surgery

Background:

  • Excimer laser procedures offer novel approaches to correcting refractive errors like myopia, hyperopia, and astigmatism.
  • These techniques utilize photoablative decomposition to precisely alter corneal tissue.

Purpose of the Study:

  • To provide a comprehensive overview of excimer laser refractive surgery.
  • To detail the techniques, indications, contraindications, outcomes, and potential complications.

Main Methods:

  • Discussion of excimer laser photorefractive keratectomy (PRK) and excimer laser in situ keratomileusis (LASIK).
  • Explanation of the photoablative decomposition process using ultraviolet energy.
  • Analysis of corneal tissue removal without thermal damage.

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Main Results:

  • Successful correction of myopia, hyperopia, and astigmatism is achievable.
  • Modified corneal surface improves light focusing on the retina.
  • Reduced or eliminated dependence on corrective eyewear.

Conclusions:

  • Excimer laser refractive surgery is a viable option for vision correction.
  • Detailed understanding of surgical aspects is crucial for patient management.
  • These procedures offer significant improvements in visual acuity and quality of life.