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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: Jun 19, 2026

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

Expulsive hemorrhage after glaucoma filtering surgery.

Nada Jiraskova¹, Pavel Rozsival, Jana Pozlerova

¹Department of Ophthalmology, University Hospital, Hradec Kralove, Czech Republic. jirasnad@fnhk.cz

Biomedical Papers of the Medical Faculty of the University Palacky, Olomouc, Czechoslovakia

|October 24, 2009

Summary

This summary is machine-generated.

Suprachoroidal hemorrhage (SCH) is a rare but serious complication following glaucoma surgery. Risk factors include hypertension and high intraocular pressure, with outcomes varying based on timing and intervention.

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Last Updated: Jun 19, 2026

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

Area of Science:

Ophthalmology
Surgical Complications
Glaucoma Surgery

Background:

Glaucoma filtering surgery aims to reduce intraocular pressure.
Complications can arise, necessitating careful monitoring and management.
Suprachoroidal hemorrhage (SCH) is a known, albeit infrequent, risk.

Observation:

A retrospective case series analyzed 1553 eyes undergoing glaucoma filtering surgery over 15 years.
Data collected included SCH incidence, patient risk factors, diagnosis, management, and outcomes.
Specific focus on perioperative and postoperative SCH events.

Findings:

Two cases of SCH were identified, occurring intraoperatively and postoperatively.
Both patients presented with systemic and ocular risk factors, including hypertension, high preoperative intraocular pressure, myopia, and aphakia/pseudophakia.
Intraoperative SCH showed visual improvement without intervention, while delayed postoperative SCH had poor visual outcomes despite treatment.

Implications:

Suprachoroidal hemorrhage is a rare but severe complication of glaucoma surgery.
Identifying and managing patient risk factors is crucial.
The timing of SCH influences visual prognosis and treatment strategies.