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Related Experiment Videos

Retreatment after LASIK using epithelial ablation alone.

Deanna E Harter1, David R Hardten

  • 1Minnesota Eye Consultants, Minneapolis, Minn, USA.

Journal of Refractive Surgery (Thorofare, N.J. : 1995)
|May 26, 2007
PubMed
Summary
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Epithelial retreatments after laser-assisted in situ keratomileusis (LASIK) may be useful for minimal refractive error, but often require subsequent flap-lift retreatments. Complications were minimal, and no vision loss occurred, suggesting a potentially safe option for select patients.

Area of Science:

  • Ophthalmology
  • Refractive Surgery
  • Corneal Surgery

Background:

  • Refractive surgery retreatments can carry risks similar to primary procedures.
  • Laser-assisted in situ keratomileusis (LASIK) is a common refractive surgery.
  • Flap-lift retreatment is a standard LASIK retreatment method.

Purpose of the Study:

  • To evaluate the efficacy and safety of epithelial retreatments using excimer laser for eyes requiring retreatment after primary LASIK.
  • To determine if epithelial retreatments can prevent the need for flap-lift retreatment.
  • To assess complications associated with epithelial retreatments.

Main Methods:

  • Retrospective chart review of eyes undergoing epithelial retreatments after primary LASIK.
  • Treatment involved excimer laser ablation on a dry, intact epithelium.

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  • Follow-up included assessment of refractive error and visual acuity.

    • Main Results:

    • 29.6% of eyes required subsequent flap-lift retreatment.
    • The most common early complication was punctate keratopathy (25.9%).
    • No eyes experienced a loss of best spectacle-corrected visual acuity.

    Conclusions:

    • Epithelial retreatments have a high rate of subsequent flap-lift retreatment and limited impact on refractive error, potentially limiting their usefulness.
    • Low complication rates and no vision loss suggest epithelial retreatments may be a safe option for specific cases.
    • Epithelial retreatment may be beneficial for selected eyes with minimal residual refractive error after LASIK, especially if patients wish to avoid further flap-lift procedures.