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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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Updated: Dec 10, 2025

Author Spotlight: Evaluating the Adjuvant Efficacy and Safety of Angong Niuhuang Pill in Viral Encephalitis Treatment

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Published on: April 19, 2024

Conjunctivitis: A Systematic Review.

Amir A Azari^1,2, Amir Arabi^1,2

¹Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Journal of Ophthalmic & Vision Research

|September 1, 2020

Summary

This summary is machine-generated.

Conjunctivitis, a common eye condition, requires careful diagnosis to rule out serious intraocular issues. Effective management hinges on identifying the cause, whether viral, bacterial, allergic, or toxic, and providing timely treatment.

Keywords:

Bacterial COVID-19 Conjunctivitis Coronavirus Toxic Viral Allergic

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Published on: May 25, 2022

Area of Science:

Ophthalmology
Clinical Medicine

Background:

Conjunctivitis is a prevalent condition managed in ophthalmology clinics globally.
Identifying alarming signs for intraocular conditions is crucial in suspected conjunctivitis cases.
Atypical presentations and chronic courses necessitate thorough medical and ophthalmic history, alongside physical examinations.

Purpose of the Study:

To emphasize the importance of comprehensive evaluation in conjunctivitis management.
To highlight the differential diagnosis of various conjunctivitis etiologies.
To underscore the need for timely and appropriate treatment strategies.

Main Methods:

Review of common conjunctivitis causes and their clinical presentations.
Emphasis on history taking and physical examination for diagnosis.
Consideration of systemic conditions associated with conjunctival involvement.

Main Results:

Viral conjunctivitis is the most frequent cause.
Bacterial conjunctivitis is the second most common infectious cause.
Allergic conjunctivitis affects nearly half the population with characteristic symptoms.
Toxic conjunctivitis can result from long-term use of preserved eye drops.

Conclusions:

Effective conjunctivitis management requires accurate diagnosis and differentiation of etiologies.
Prompt and appropriate treatment is essential for favorable outcomes.
Recognizing systemic involvement aids in comprehensive patient care.