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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...

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Related Experiment Video

Updated: Feb 16, 2026

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Published on: May 25, 2020

Recent developments in visual field testing for glaucoma.

Zhichao Wu^1,2,3, Felipe A Medeiros¹

¹Duke Eye Center and Department of Ophthalmology, Duke University School of Medicine, Durham, North Carolina, USA.

Current Opinion in Ophthalmology

|December 20, 2017

Summary

This summary is machine-generated.

New advancements in visual field testing offer improved methods for detecting and monitoring glaucoma vision loss. These developments enhance the precision and reliability of standard automated perimetry for better patient outcomes.

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Area of Science:

Ophthalmology
Optometry
Vision Science

Background:

Visual field testing is crucial for glaucoma diagnosis and monitoring.
Standard automated perimetry is the current mainstream method.
Emerging developments aim to refine visual field testing and analysis.

Purpose of the Study:

To review recent advancements in visual field testing for glaucoma.
To focus on improvements in standard automated perimetry.
To explore new methods for assessing visual function.

Main Methods:

Review of current literature on visual field testing advancements.
Analysis of new testing paradigms and analytical techniques.
Evaluation of emerging technologies like fundus-tracked perimetry.

Main Results:

New guidance exists on testing frequency for detecting progression.
Factors influencing result interpretation (reliability indices, cognitive decline) are highlighted.
Fundus-tracked perimetry and advanced algorithms show promise for precision.
Novel objective and portable assessment methods are emerging.

Conclusions:

Recent developments in visual field testing hold promise for enhancing glaucoma management.
These advancements aim to improve the accuracy and utility of a fundamental clinical test.