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Related Concept Videos

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...
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...

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Related Experiment Video

Updated: May 19, 2026

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
10:10

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents

Published on: February 15, 2022

Artificial drainage devices for glaucoma surgery: an overview.

M Chaudhry1, S Grover, S Baisakhiya

  • 1BPS Government Medical College for Women, Khanpur Kalan. mriduch77@yahoo.com

Nepalese Journal of Ophthalmology : a Biannual Peer-Reviewed Academic Journal of the Nepal Ophthalmic Society : NEPJOPH
|August 7, 2012
PubMed
Summary

Artificial drainage devices (ADDs) offer new pathways for aqueous humor drainage in the eye, serving as treatments for advanced glaucoma. This review covers various ADDs, their surgical uses, and potential complications.

Related Experiment Videos

Last Updated: May 19, 2026

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
10:10

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents

Published on: February 15, 2022

Area of Science:

  • Ophthalmology
  • Medical Devices
  • Glaucoma Surgery

Background:

  • Glaucoma is a leading cause of irreversible blindness.
  • Elevated intraocular pressure (IOP) is a primary risk factor for glaucoma progression.
  • Traditional glaucoma surgeries may not be suitable for all patients.

Purpose of the Study:

  • To provide a comprehensive overview of artificial drainage devices (ADDs) for glaucoma.
  • To discuss the indications, contraindications, and surgical techniques for ADDs.
  • To highlight the complications associated with ADD implantation.

Main Methods:

  • Review of current literature on artificial drainage devices for glaucoma.
  • Analysis of surgical techniques, including implantation of valved and non-valved devices.
  • Discussion of clinical outcomes and complication profiles of various ADDs.

Main Results:

  • Artificial drainage devices create alternative pathways for aqueous humor drainage.
  • Both valved and non-valved ADDs are available for refractory or end-stage glaucoma.
  • Some ADDs, like the Express shunt, are now considered for primary glaucoma treatment.

Conclusions:

  • Artificial drainage devices represent a significant advancement in glaucoma management.
  • Careful patient selection and surgical technique are crucial for successful outcomes.
  • Understanding potential complications is essential for managing patients with ADDs.