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Related Experiment Videos

LASIK for high myopia: one year experience

A Marinho1, M C Pinto, R Pinto

  • 1Hospital Santo Antonio, University of Porto, Portugal.

Ophthalmic Surgery and Lasers
|May 1, 1996
PubMed
Summary

Laser in situ keratomileusis (LASIK) offers a viable solution for high myopia correction. This study shows LASIK is safe and effective, with most patients satisfied and few complications, especially after mastering the learning curve.

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Area of Science:

  • Ophthalmology
  • Corneal Surgery
  • Refractive Surgery

Background:

  • Laser in situ keratomileusis (LASIK) combines lamellar corneal surgery with excimer laser precision.
  • It is effective for correcting a wide range of myopia.
  • This study presents initial data on 34 consecutive LASIK cases for myopia.

Purpose of the Study:

  • To evaluate the safety, predictability, stability, and patient satisfaction of LASIK for high myopia correction.
  • To assess the outcomes of the first 34 consecutive LASIK procedures for myopia.

Main Methods:

  • 34 eyes of 27 patients with myopia (-10.00 to -22.50 D) underwent LASIK.
  • Corneal flaps were created using the Chiron Automated corneal shaper, and stromal ablation was performed with the Summit OmniMed 5.0 excimer laser.
  • Outcomes were assessed over a 6-month to 1-year follow-up, evaluating visual acuity, refractive error, and complications.

Main Results:

  • 67.65% of eyes achieved a refraction between -1.00 and +1.00 D at 6 months.
  • 44.11% of eyes maintained spectacle-corrected visual acuity, with 35.23% gaining lines of vision.
  • 85.3% of patients reported satisfaction; early complications (dislocated caps, epithelial ingrowth) were linked to the learning curve.

Conclusions:

  • LASIK is a viable method for correcting high myopia with a favorable safety profile.
  • The procedure combines benefits of previous techniques, preserving Bowman's layer while using excimer laser precision.
  • Further refinement of ablation nomograms is expected to improve outcomes.

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