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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

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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...
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Open Angle Glaucoma: Treatment01:27

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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.
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Angle Closure Glaucoma: Treatment01:28

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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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Sexually Transmitted Infections01:26

Sexually Transmitted Infections

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Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
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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,...
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Factors Affecting the Risk of Infection01:26

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The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
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Related Experiment Video

Updated: Oct 21, 2025

Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation
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Infections and glaucoma.

Khalid Aldaas1, Pratap Challa2, David J Weber3

  • 1Department of Ophthalmology, University of North Carolina-Chapel Hill School of Medicine, Chapel Hill, NC, USA.

Survey of Ophthalmology
|September 6, 2021
PubMed
Summary
This summary is machine-generated.

Ophthalmic infections can cause elevated intraocular pressure, leading to optic neuropathy and vision loss. Understanding the mechanisms of infectious glaucoma is critical for effective treatment and management.

Keywords:
GlaucomaInfectionInfectious DiseasesInflammatory GlaucomaNeovascular GlaucomaPhacomorphic GlaucomaPrimary Glaucoma Secondary GlaucomaSecondary Closed-angle GlaucomaSecondary Open-angle GlaucomaTrabeculitis

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Area of Science:

  • Ophthalmology
  • Infectious Diseases
  • Glaucoma Pathophysiology

Background:

  • Glaucoma is an optic neuropathy often associated with elevated intraocular pressure (IOP).
  • While primary glaucoma is common, secondary glaucoma due to various causes is also significant.
  • Ophthalmic infections can trigger inflammatory responses or alter intraocular anatomy, increasing IOP and leading to glaucoma.

Purpose of the Study:

  • To consolidate current knowledge on the mechanisms by which infectious diseases lead to glaucoma.
  • To highlight the importance of identifying the cause of secondary glaucoma for appropriate treatment.

Main Methods:

  • Literature review of studies investigating the link between ophthalmic infections and glaucoma.
  • Analysis of pathophysiological pathways connecting infection-induced inflammation and anatomical changes to elevated IOP.

Main Results:

  • Infectious agents can induce intraocular inflammation, a key factor in pressure elevation.
  • Certain infections can lead to structural changes within the eye, predisposing to secondary glaucoma.
  • Recognizing the infectious etiology is crucial as treatment differs based on the underlying mechanism.

Conclusions:

  • Infectious diseases represent a significant, often overlooked, cause of secondary glaucoma.
  • Understanding the specific mechanisms of infection-induced glaucoma is vital for targeted therapeutic strategies.
  • Further research into the interplay between ocular infections and glaucoma pathophysiology is warranted.