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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...

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...

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Related Experiment Video

Updated: May 22, 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

[Conventional perimetry. Antiquated or indispensable for functional glaucoma diagnostics?].

F Tonagel¹, B Voykov, U Schiefer

¹Department für Augenheilkunde, Universität Tübingen, Schleichstr. 12-16, 72076, Tübingen, Deutschland. felix.tonagel@med.uni-tuebingen.de

Der Ophthalmologe : Zeitschrift Der Deutschen Ophthalmologischen Gesellschaft

|April 25, 2012

Summary

Conventional perimetry remains vital for glaucoma diagnostics, enhanced by technological advancements for standardized visual field testing and progression analysis. New strategies improve early detection and patient-friendly assessment of visual field loss.

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Area of Science:

Ophthalmology
Medical Technology

Context:

Conventional perimetry is a long-standing diagnostic tool for glaucoma.
Technological advancements have improved its standardization, analysis, and visualization of progression.

Purpose:

To highlight the enduring role and advancements in perimetry for glaucoma diagnostics.
To discuss new methods for early detection and assessment of visual field loss.

Summary:

Computer technology enables high standardization in visual field examination execution and evaluation.
Fast threshold strategies and condensed grids aid early detection of glaucomatous visual field loss.
Semi-automated kinetic perimetry offers efficient, standardized edge detection for advanced visual field loss.

Impact:

Standardized protocols are crucial for managing chronic diseases like glaucoma over time.
Advanced perimetric techniques improve diagnostic accuracy and patient management.
Complementary parameters enhance diagnostic plausibility and aid expert opinions.