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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: Jun 6, 2026

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Published on: May 25, 2020

Evaluation of a glaucoma patient.

Ravi Thomas¹, Klaus Loibl, R Parikh

¹Queensland Eye Institute, Brisbane, Queensland. ravi.thomas@qei.org.au

Indian Journal of Ophthalmology

|December 15, 2010

Summary

A comprehensive eye exam is key for diagnosing glaucoma, detecting functional damage with automated perimetry, and monitoring progression. Early detection of this sight-threatening disease is crucial for all patients.

Area of Science:

Ophthalmology
Optometry
Clinical Diagnosis

Background:

Glaucoma diagnosis relies heavily on clinical assessment.
Comprehensive eye examinations are standard practice.

Purpose of the Study:

To outline the essential components for diagnosing glaucoma.
To emphasize the importance of early detection and follow-up.

Main Methods:

Clinical examination including slit lamp, applanation tonometry, gonioscopy, and optic disc evaluation.
Automated perimetry for functional damage assessment.
Imaging techniques for follow-up evaluation.

Main Results:

Glaucoma diagnosis is primarily clinical.

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Ultrasound Cyclo Plasty in Eyes with Glaucoma

Ultrasound Cyclo Plasty in Eyes with Glaucoma

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Automated perimetry confirms functional damage and establishes a baseline.

Imaging is supportive, not essential for initial diagnosis.

Conclusions:

A comprehensive eye examination is recommended for all patients.
This approach facilitates the detection of glaucoma and other sight-threatening conditions.
Regular follow-up is essential for managing glaucoma progression.