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Related Experiment Videos

Eleven-year experience with radial keratotomy

A Momose1, A Shen

  • 1Institute of Clinical Ophthalmology, Japan.

Yan Ke Xue Bao = Eye Science
|March 1, 1994
PubMed
Summary

Radial keratotomy (RK) effectively reduced myopia and anisometropia in 1,900 eyes. This refractive surgery achieved significant visual acuity improvements with no vision-threatening complications, indicating its safety and efficacy.

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Area of Science:

  • Ophthalmology
  • Refractive Surgery

Background:

  • Radial keratotomy (RK) is a surgical procedure to correct myopia.
  • Evaluating the long-term outcomes of RK is crucial for understanding its effectiveness.

Purpose of the Study:

  • To retrospectively evaluate the outcomes of 1,900 consecutive eyes that underwent RK.
  • To assess the refractive error reduction, visual acuity, and complication rates associated with RK.

Main Methods:

  • Retrospective analysis of 1,900 eyes undergoing RK.
  • Evaluation of refractive error, uncorrected visual acuity, and complications at 3 months post-surgery.

Main Results:

  • Significant reduction in spherical equivalent achieved, ranging from 0.67D to 7.25D based on the number of incisions.
  • Uncorrected visual acuity of 20/40 or better was achieved in 99.4% of low myopia, 64.2% of moderate myopia, and 32.4% of high myopia cases.
  • RK effectively corrected anisometropia and improved aniseikonia, with no vision-threatening complications reported.

Conclusions:

  • Radial keratotomy is a safe and effective surgical procedure for correcting myopia.
  • The degree of refractive correction is dependent on the number of incisions made.
  • RK offers acceptable outcomes for anisometropia and aniseikonia correction.

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