Slit-lamp visualization of aqueous flow through an inferior iridectomy

Research output: Contribution to journalArticleProfessionalpeer-review

Abstract

PURPOSE: To demonstrate how an inferior iridectomy prevents a pupillary block in aphakic patients with a silicone oil tamponade.

DESIGN: Observational case series.

METHODS: Photographs of two patients who had undergone vitrectomy, lensectomy, membrane peeling, silicone oil tamponade, and inferior iridectomy for a complex retinal detachment were evaluated.

RESULTS: In the thin layer of erythrocytes covering the endothelium, we observed an arc clear of erythrocytes anterior to the inferior iridectomy.

CONCLUSIONS: With silicone oil blocking the pupil, aqueous humor was channeled through the inferior iridectomy with sufficient force to sweep the endothelium anterior to the iridectomy clean of erythrocytes, thus visualizing the mechanism that prevents a pupillary block glaucoma.

Original languageEnglish
Pages (from-to)364-5
Number of pages2
JournalAmerican Journal of Ophthalmology
Volume136
Issue number2
DOIs
Publication statusPublished - Aug 2003

Keywords

  • Aqueous Humor/metabolism
  • Basement Membrane/surgery
  • Glaucoma, Angle-Closure/prevention & control
  • Humans
  • Iridectomy
  • Iris/metabolism
  • Lens, Crystalline/surgery
  • Photography
  • Retinal Detachment/surgery
  • Silicone Oils/therapeutic use
  • Vitrectomy

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