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Surgery for corneal epithelial basement membrane dystrophy.

T O Wood1, M E Griffith

  • 1University of Tennessee, Department of Ophthalmology, Memphis 38163.

Ophthalmic Surgery
|January 1, 1988
PubMed
Summary
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Corneal epithelial basement membrane surgery effectively treated recurrent erosion and vision loss in 17 patients. Post-surgery analysis revealed basal lamina reduplication, indicating a potential cause for these common corneal conditions.

Area of Science:

  • Ophthalmology
  • Corneal Surgery
  • Cell Biology

Background:

  • Recurrent corneal erosion (RCE) and decreased vision can significantly impair quality of life.
  • Corneal epithelial basement membrane abnormalities are implicated in various ocular surface disorders.
  • Understanding the cellular basis of these conditions is crucial for developing effective treatments.

Purpose of the Study:

  • To evaluate the efficacy of corneal epithelial basement membranectomy in patients with symptomatic corneal epithelial basement membrane issues.
  • To investigate the correlation between patient age and specific symptoms (recurrent erosion vs. decreased vision).
  • To examine the ultrastructural changes in the corneal epithelium post-surgery using electron microscopy.

Main Methods:

  • A cohort of 17 patients with symptomatic corneal epithelial basement membrane issues underwent corneal epithelial basement membranectomy.

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  • Patient demographics and presenting symptoms (recurrent erosion, decreased vision) were recorded.
  • Post-operative outcomes were assessed, and corneal tissue was analyzed via electron microscopy.

    • Main Results:

    • All 17 patients experienced improvement in their symptoms following the surgical procedure.
    • Younger patients were more likely to present with recurrent erosion, while older patients predominantly reported decreased vision.
    • Electron microscopy revealed significant reduplication of the corneal epithelial basal lamina in the treated eyes.

    Conclusions:

    • Corneal epithelial basement membranectomy is an effective surgical option for managing symptomatic corneal epithelial basement membrane disorders.
    • Age appears to be a factor influencing the clinical presentation of these corneal conditions.
    • Basal lamina reduplication is a notable ultrastructural finding associated with these pathologies, suggesting its role in disease pathogenesis.