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Related Experiment Videos

Viscocanalostomy: a pilot study

R G Carassa1, P Bettin, M Fiori

  • 1Department of Ophthalmology and Visual Sciences, Scientific Institute San Raffaele Hospital, University of Milano, Italy. carassa@tin.it

European Journal of Ophthalmology
|July 23, 1998
PubMed
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Viscocanalostomy is a safe and effective glaucoma surgery, significantly lowering intraocular pressure (IOP) in patients uncontrolled by medication. This non-penetrating procedure shows promising short-term results for managing glaucoma.

Area of Science:

  • Ophthalmology
  • Surgical Innovation
  • Glaucoma Management

Background:

  • Glaucoma requires effective treatments to prevent vision loss.
  • Medical therapy is often insufficient for controlling intraocular pressure (IOP).
  • Viscocanalostomy presents a novel non-penetrating surgical approach.

Purpose of the Study:

  • To prospectively evaluate the effectiveness and safety of viscocanalostomy.
  • To assess IOP reduction in glaucoma patients unresponsive to maximum medical therapy.
  • To document surgical outcomes and complications of this technique.

Main Methods:

  • Prospective study of 33 patients with uncontrolled glaucoma.
  • Surgical procedure: viscocanalostomy (Stegmann's technique).
  • Comprehensive ophthalmological examinations pre- and post-surgery at defined intervals up to 12 months.

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Main Results:

  • Successful IOP control (<21 mmHg without medication) in 86.2% of cases (25/29) after a mean follow-up of 3 months.
  • Significant IOP reduction from 27.7 mmHg preoperatively to 12.0 mmHg postoperatively (p < 0.0001).
  • Reported intraoperative and postoperative complications, including Descemet rupture and hyphema.

Conclusions:

  • Viscocanalostomy demonstrates short-term effectiveness in lowering IOP for glaucomatous eyes.
  • The procedure is considered safe, with manageable complications.
  • This technique offers a viable surgical option for refractory glaucoma.