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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...

Photoreceptors and Visual Pathways

Photoreceptors and Visual Pathways

At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category, whereas...

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Related Experiment Video

Updated: May 18, 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

Diplopia after glaucoma surgery.

Stephen P Christiansen¹

¹Department of Ophthalmology and Pediatrics, Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts 02118, USA. spchris@bu.edu

The American Orthoptic Journal

|September 26, 2012

Summary

This summary is machine-generated.

Glaucoma surgery using implanted setons can cause strabismus and double vision (diplopia). Further research is needed to identify causes and develop effective treatments for this condition.

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

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Published on: February 15, 2022

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Ultrasound Cyclo Plasty in Eyes with Glaucoma

Published on: January 26, 2018

Area of Science:

Ophthalmology
Surgical Innovation
Glaucoma Management

Background:

Glaucoma surgery, particularly with implanted setons, is increasingly utilized.
Postoperative complications require thorough investigation for improved patient outcomes.

Observation:

An increasing incidence of strabismus and symptomatic diplopia has been noted after glaucoma surgery.
Implanted setons are frequently used in these surgical procedures.

Findings:

The rise in strabismus and diplopia correlates with the increased use of implanted setons.
Identifying contributing factors to postoperative diplopia is crucial.

Implications:

Understanding the etiology of diplopia post-glaucoma surgery is essential for developing targeted treatment strategies.
This knowledge can lead to improved management of visual disturbances and enhanced patient quality of life.