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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...

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...

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...

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Related Experiment Video

Updated: Jun 19, 2026

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Published on: January 26, 2018

Staging glaucoma patient: why and how?

Remo Susanna¹, Roberto M Vessani

¹Glaucoma Service, Ophthalmology Department, University of São Paulo, Brazil.

The Open Ophthalmology Journal

|October 17, 2009

Summary

This summary is machine-generated.

A new glaucoma visual field staging system, the University of São Paulo Glaucoma Visual Field Staging System (USP-GVFSS), offers an intuitive method for classifying glaucomatous damage. This system enhances disease management by describing defect severity, extension, and hemi field involvement.

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Published on: February 15, 2022

Area of Science:

Ophthalmology
Optometry
Medical Imaging

Background:

Glaucoma management relies on staging visual field damage.
Standard automated perimetry staging systems face challenges in accuracy, defect localization, and analysis time.

Purpose of the Study:

To introduce a novel visual field staging system for glaucoma.
To provide an intuitive and comprehensive method for classifying glaucomatous visual field defects.

Main Methods:

Development of the University of São Paulo Glaucoma Visual Field Staging System (USP-GVFSS).
Incorporation of qualitative and quantitative characteristics of visual field defects.
Description of defect severity, extension, and hemi field involvement.

Main Results:

The USP-GVFSS provides an intuitive and comprehensible approach to visual field staging.
The system effectively describes the severity, extension, and hemi field involvement of glaucomatous damage.
This new system aims to improve the clinical utility of visual field testing in glaucoma management.

Conclusions:

The USP-GVFSS offers a practical advancement in staging glaucomatous visual field defects.
This system has the potential to enhance the clinical management of glaucoma.
Further research may validate its widespread clinical application.