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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...
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...
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...

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Related Experiment Video

Updated: May 18, 2026

Iris Fixation via External Pentagram Suturing
05:22

Iris Fixation via External Pentagram Suturing

Published on: May 5, 2022

Management algorithms for primary angle closure disease.

Ravi Thomas1, Mark J Walland

  • 1Queensland Eye Institute, Brisbane, Queensland, Australia.

Clinical & Experimental Ophthalmology
|September 27, 2012
PubMed
Summary
This summary is machine-generated.

Preventive interventions for primary angle closure disease (PACD) can be definitive. This study outlines clinical algorithms for PACD management, including laser iridotomy and subsequent treatments based on angle status and intraocular pressure.

Related Experiment Videos

Last Updated: May 18, 2026

Iris Fixation via External Pentagram Suturing
05:22

Iris Fixation via External Pentagram Suturing

Published on: May 5, 2022

Area of Science:

  • Ophthalmology
  • Medical Interventions

Background:

  • Primary angle closure disease (PACD) management differs from primary open-angle glaucoma.
  • Preventive interventions in PACD can offer definitive outcomes.

Purpose of the Study:

  • To synthesize data and principles into explicit clinical algorithms for managing the spectrum of PACD.
  • To guide stepwise interventions following initial treatments for PACD.

Main Methods:

  • Synthesis of data from randomized controlled trials and established biological principles.
  • Development of clinical algorithms based on angle status, intraocular pressure control, synechiae extent, and cataract presence.
  • Utilizing a 180-degree threshold for angle opening and PAS extent post-treatment.

Main Results:

  • Laser iridotomy is the primary first-line intervention for PACD.
  • Stepwise considerations post-iridotomy include angle status, IOP control, PAS extent, and cataract.
  • Indications for further interventions like iridoplasty, cataract surgery, or trabeculectomy are defined by specific thresholds.

Conclusions:

  • Explicit clinical algorithms can guide definitive management of PACD.
  • A structured, stepwise approach is crucial for optimizing outcomes in PACD patients.
  • Interventions are tailored based on a comprehensive assessment of the angle and ocular structures.