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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: Jul 26, 2025

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

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

Published on: February 15, 2022

Neovascular Glaucoma Associated with Chronic Rhegmatogenous Retinal Detachment.

Dong Ik Kim^1,2, Min Seok Kim³, Se Joon Woo³

¹Department of Ophthalmology, HanGil Eye Hospital, Incheon, Korea.

Korean Journal of Ophthalmology : KJO

|June 13, 2023

Summary

This summary is machine-generated.

Neovascular glaucoma can develop from chronic retinal detachment due to capillary obstruction and ischemia, even after reattachment. Regular follow-ups are crucial for patients with retinal detachment, especially those with retinal nonperfusion.

Keywords:

Angiography Neovascular glaucoma Retinal detachment

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The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy rNAION

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The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy rNAION

The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy rNAION

Published on: November 20, 2016

Area of Science:

Ophthalmology
Retinal Diseases
Glaucoma

Background:

Chronic retinal detachment can lead to neovascular glaucoma.
Neovascular glaucoma is characterized by abnormal blood vessel growth in the iris.

Purpose of the Study:

To describe the clinical features and natural progression of neovascular glaucoma associated with chronic retinal detachment.

Main Methods:

Retrospective analysis of 10 patients diagnosed with chronic retinal detachment-associated neovascular glaucoma between 2007 and 2016.
Evaluation of retinal perfusion using fundus fluorescein angiography.

Main Results:

Neovascular glaucoma developed a mean of 213.4 months after retinal detachment.
Peripheral retinal capillary obstruction and severe nonperfusion were observed.
Intraocular pressure was controlled in all patients, with two developing phthisis bulbi.

Conclusions:

Chronic retinal detachment can cause neovascular glaucoma through retinal capillary obstruction and ischemia, even post-reattachment.
Regular monitoring is recommended for patients with chronic retinal detachment, particularly those with retinal nonperfusion.