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Angle Closure Glaucoma: Treatment

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: Treatment

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: Overview

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...

Shunt Admittances

Shunt Admittances

Shunt admittances play a crucial role in the analysis of transmission lines, particularly for three-phase systems with neutral conductors. When a uniformly charged conductor is positioned above the Earth, it induces an equal but opposite charge on its surface. This interaction creates electric field lines between the conductor and the Earth.
To model this effect, the method of images is employed. This method involves replacing the Earth with an image conductor that mirrors the original...

Aquaporins

Aquaporins

Aquaporins or AQPs are a family of integral membrane proteins whose primary function is to transport water, while some called aquaglyceroporins also transport glycerol. In addition, aquaporins have also been suspected to be involved in transporting volatile substances, such as carbon dioxide and ammonia, across membranes. Such AQPs that act as gas channels are often highly expressed in cells involved in the gaseous exchange, such as red blood cells, epithelial cells, and pulmonary capillaries.

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Related Experiment Video

Updated: Jun 3, 2026

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus

Published on: October 14, 2022

Update on aqueous shunts.

Steven J Gedde¹, Richard K Parrish, Donald L Budenz

¹Bascom Palmer Eye Institute, University of Miami, Miller School of Medicine, Miami, FL, USA.

Experimental Eye Research

|March 30, 2011

Summary

This summary is machine-generated.

Aqueous shunts are increasingly used for glaucoma surgery, with new data revealing differences in efficacy and safety. Surgical techniques are evolving to improve outcomes and reduce complications associated with these implants.

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Last Updated: Jun 3, 2026

Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus

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Published on: October 14, 2022

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Published on: January 27, 2023

Area of Science:

Ophthalmology
Surgical Innovation
Medical Device Technology

Background:

Increasing utilization of aqueous shunts in glaucoma surgical management.
Medicare claims and American Glaucoma Society data indicate this trend.
Existing data highlight variations in shunt efficacy and safety profiles.

Purpose of the Study:

To analyze current trends in aqueous shunt use for glaucoma.
To compare the efficacy and safety of commonly used aqueous shunts.
To review recent findings on shunt surgery outcomes versus traditional methods.

Main Methods:

Analysis of Medicare claims data.
Surveys of American Glaucoma Society membership.
Review of recent clinical trials and comparative studies.

Main Results:

Aqueous shunts are increasingly adopted in glaucoma surgery.
New data show distinct efficacy and safety profiles among different shunts.
Studies suggest comparable outcomes between shunts and trabeculectomy in specific patient groups.
Complications are associated with the foreign material used in shunts.

Conclusions:

Aqueous shunt surgery is a growing option for glaucoma treatment.
Ongoing research is refining understanding of shunt performance.
Surgical technique modifications aim to enhance success rates and minimize risks.
Focus on improving efficiency and cost-effectiveness of shunt procedures.