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Related Experiment Videos

Contact lenses after LASIK.

L B Szczotka1, M Aronsky

  • 1Case Western Reserve University, Department of Ophthalmology, Cleveland, Ohio, USA.

Journal of the American Optometric Association
|August 24, 1999
PubMed
Summary

Contact lens fitting after LASIK surgery requires new approaches due to altered corneal shapes. Axial topographic maps are key for successful rigid gas-permeable lens fitting post-LASIK.

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Area of Science:

  • Ophthalmology
  • Optometry
  • Biomedical Engineering

Background:

  • Laser-assisted in situ keratomileusis (LASIK) significantly alters corneal topography.
  • Post-LASIK corneal changes present challenges for conventional contact lens fitting.
  • Optimizing contact lens performance after LASIK necessitates advanced fitting strategies.

Purpose of the Study:

  • To describe effective contact lens fitting procedures for post-LASIK eyes.
  • To explore topographic map data for improved rigid gas-permeable (RGP) lens fitting.
  • To provide guidance for successful contact lens wear after refractive surgery.

Main Methods:

  • Review of soft and rigid gas-permeable (RGP) lens fitting techniques based on clinical experience.
  • Evaluation of topographic map data, specifically curvature and contour, for RGP lens fitting.
  • Application of standard and reverse geometry RGP lens fitting protocols.

Main Results:

  • Standard soft and RGP lenses can achieve successful outcomes in post-LASIK patients.
  • Axial topographic maps provide superior curvature data for fitting both standard and reverse geometry RGP lenses.
  • Specific fitting techniques enhance RGP lens performance after LASIK.

Conclusions:

  • Contact lens fitting after LASIK, while potentially daunting, can be managed with updated techniques.
  • New fitting methodologies transform complex post-LASIK lens fitting into a systematic process.
  • Patient apprehension regarding post-LASIK contact lens wear can be overcome with effective strategies.

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