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Related Concept Videos

Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
Glaucoma: Overview01:25

Glaucoma: Overview

Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...

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Related Experiment Videos

[Trabecular meshwork bypass surgery for glaucoma].

T S Dietlein1, A Schild, A Rosentreter

  • 1Zentrum für Augenheilkunde der Universität Köln, Joseph-Stelzmann-Strasse 9, 50931 Köln, Deutschland. Thomas.Dietlein@uk-koeln.de

Der Ophthalmologe : Zeitschrift Der Deutschen Ophthalmologischen Gesellschaft
|January 17, 2009
PubMed
Summary
This summary is machine-generated.

Opening Schlemm’s canal enhances glaucoma outflow facility. Various surgical options offer benefits, especially in combined cataract-glaucoma procedures, with trabeculectomy remaining superior for specific cases.

Related Experiment Videos

Area of Science:

  • Ophthalmology
  • Glaucoma Surgery
  • Anterior Segment Surgery

Context:

  • Glaucoma treatment aims to reduce intraocular pressure by enhancing aqueous humor outflow.
  • Schlemm's canal plays a crucial role in the eye's natural drainage system.
  • Surgical interventions targeting Schlemm's canal offer an alternative to traditional glaucoma procedures.

Purpose:

  • To review and discuss surgical techniques that open Schlemm's canal to the anterior chamber for enhanced outflow facility in glaucoma.
  • To evaluate the efficacy and safety profiles of various surgical options, including mechanical procedures, laser surgery, microbipolar cauterization, and intracanalicular microstents.
  • To compare these approaches with established glaucoma surgeries, particularly in the context of combined cataract-glaucoma procedures.

Summary:

  • Surgical enhancement of outflow facility can be achieved by opening Schlemm's canal to the anterior chamber.
  • Techniques include mechanical procedures, laser surgery, microbipolar cauterization, and intracanalicular microstents, offering valuable options for combined cataract-glaucoma surgery due to favorable risk profiles.
  • Trabeculectomy with mitomycin C remains the gold standard for glaucoma requiring low target pressure when combined surgery is not indicated.

Impact:

  • These minimally invasive surgical options provide alternatives for managing glaucoma, potentially reducing reliance on medication or more extensive surgeries.
  • The favorable risk profile of these procedures is particularly beneficial in combined cataract-glaucoma surgeries, simplifying patient management.
  • Understanding the comparative efficacy of these techniques versus trabeculectomy is crucial for optimizing surgical decision-making in glaucoma care.