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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: Sep 14, 2025

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

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Persistent Hypotony Following Antiglaucoma Surgery: A Case Report.

Shuxin Cai^1,2,3,4,5, Haibo Li^1,3,4,5, Shuimiao Chen^1,3,4,5

¹Ocular Trauma Department, Eye Institute and Affiliated Xiamen Eye Center of Xiamen University, School of Medicine, Xiamen University, Xiamen, China.

Case Reports in Ophthalmological Medicine

|July 21, 2025

Summary

Persistent hypotony after antiglaucoma surgery can cause vision loss. Prompt surgical intervention, including fluid drainage and cataract surgery, can restore visual acuity and stabilize intraocular pressure.

Keywords:

antiglaucoma surgery cataract persist hypotony

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Last Updated: Sep 14, 2025

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Published on: February 15, 2022

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Ultrasound Cyclo Plasty in Eyes with Glaucoma

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Published on: January 26, 2018

Area of Science:

Ophthalmology
Surgical Complications

Background:

Persistent hypotony is a rare but serious complication following antiglaucoma surgery.
Early identification and management are crucial to prevent vision loss.

Observation:

A 56-year-old male experienced progressive vision loss 20 years after antiglaucoma surgery.
Examination revealed choroidal and ciliary body detachment with lens subluxation and low intraocular pressure (IOP) below 6 mmHg despite conservative treatment.

Findings:

Combined suprachoroidal fluid drainage, phacoemulsification, and capsular tension ring implantation were performed.
Postoperatively, visual acuity improved to 0.3 (BCVA) and IOP stabilized.

Implications:

Prompt diagnosis and surgical management of persistent hypotony are essential for visual function restoration.
This case highlights the importance of timely intervention to prevent severe complications after antiglaucoma surgery.