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Glaucoma: Overview

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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...

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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.
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Angle Closure Glaucoma: Treatment

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Diabetic Retinopathy

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Related Experiment Video

Updated: Jul 20, 2026

Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation

Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation

Published on: March 12, 2016

[Etiopathogenic mechanisms in glaucoma].

Alina Mihaela Neacşu¹

¹Spital Judeţean de Urgenţă, Brăila.

Oftalmologia (Bucharest, Romania : 1990)

|August 25, 2006

Summary

Glaucoma is a complex eye disease. Understanding the mechanisms of ganglion cell destruction is key to developing new therapies that protect vision.

Area of Science:

Ophthalmology
Neuroscience

Background:

Glaucoma is a leading cause of irreversible blindness worldwide.
It is characterized by progressive damage to retinal ganglion cells (RGCs).
The multifactorial nature of glaucoma necessitates a comprehensive understanding of RGCs destruction.

Purpose of the Study:

To identify the key mechanisms underlying retinal ganglion cells (RGCs) destruction in glaucoma.
To explore potential therapeutic targets for halting RGCs death.
To support the natural defense mechanisms of RGCs.

Main Methods:

This study involves a review of current literature on glaucoma pathogenesis.
Analysis of molecular and cellular pathways implicated in RGCs apoptosis.
Investigation of neuroprotective strategies.

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Translaminar Autonomous System Model for the Modulation of Intraocular and Intracranial Pressure in Human Donor Posterior Segments

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Last Updated: Jul 20, 2026

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

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Translaminar Autonomous System Model for the Modulation of Intraocular and Intracranial Pressure in Human Donor Posterior Segments

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Published on: April 24, 2020

Main Results:

Multiple pathways contribute to RGCs degeneration, including oxidative stress, excitotoxicity, and inflammation.
Identifying these pathways offers opportunities for targeted interventions.
Understanding natural defense mechanisms can inform therapeutic development.

Conclusions:

A thorough understanding of glaucoma's multifactorial mechanisms is crucial for developing effective treatments.
Targeting RGCs destruction pathways holds promise for preventing vision loss.
Future research should focus on translating these findings into clinical applications.