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Related Experiment Videos

Chronic pain after Intacs implantation.

J Bradley Randleman1, Daniel G Dawson, Paul M Larson

  • 1Department of Ophthalmology, Emory University, Atlanta, Georgia 30322, USA. Jrandle@emory.edu

Journal of Cataract and Refractive Surgery
|June 13, 2006
PubMed
Summary

Intracorneal ring segments for corneal ectasia can cause persistent discomfort due to nerve contact. Removal of these segments resolved the patient's pain, improving visual outcomes.

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Area of Science:

  • Ophthalmology
  • Corneal Surgery

Background:

  • Corneal ectasia is a progressive thinning and bulging of the cornea.
  • Laser in situ keratomileusis (LASIK) is a refractive surgery procedure.
  • Intracorneal ring segments are used to manage corneal ectasia by reshaping the cornea.

Observation:

  • A 39-year-old woman with post-LASIK corneal ectasia received intracorneal ring segments.
  • The patient experienced persistent ocular discomfort despite treatment.
  • Confocal microscopy revealed direct corneal nerve contact with an inferior ring segment.

Findings:

  • Intracorneal ring segment implantation improved corneal topography and visual acuity.
  • Corneal nerve contact with the implanted segment was identified as the cause of persistent pain.

Related Experiment Videos

  • Surgical removal of the intracorneal ring segments led to complete pain resolution.

    • Implications:

    • Corneal nerve interaction with intracorneal ring segments can cause significant discomfort.
    • Segment removal is a viable option for managing persistent pain after implantation.
    • This case highlights the importance of considering nerve involvement in post-keratoplasty complications.