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Related Concept Videos

Open Angle Glaucoma: Treatment01:27

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: Treatment01:28

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...
Glaucoma: Overview01:25

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...
Streptococcal Pharyngitis01:27

Streptococcal Pharyngitis

Streptococcal pharyngitis, commonly known as “strep throat,” is an acute infection of the oropharyngeal tissues caused by the Gram‑positive Group A Streptococcus (Streptococcus pyogenes). Transmission occurs primarily through respiratory droplets expelled during coughing, sneezing, or talking.Mechanisms of Host Entry and Immune EvasionUpon entering the host, S. pyogenes adheres to the mucosal epithelial cells of the pharynx via surface proteins, notably lipoteichoic acid and the antiphagocytic...
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
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Diabetic Retinopathy

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Related Experiment Video

Updated: Jun 3, 2026

Primed Mycobacterial Uveitis (PMU) as a Model for Post-Infectious Uveitis
10:33

Primed Mycobacterial Uveitis (PMU) as a Model for Post-Infectious Uveitis

Published on: December 17, 2021

[Post-streptococcal uveitis].

A Viel1, N Kolyvras, J Catherine

  • 1Service d'ophtalmologie, CHU Saint-Pierre, 322, rue Haute, 1000 Bruxelles, Belgique. aviel@ulb.ac.be

Journal Francais D'Ophtalmologie
|March 30, 2011
PubMed
Summary
This summary is machine-generated.

This study suggests streptococcal infections may cause uveitis, a form of eye inflammation. Prompt treatment of post-streptococcal uveitis appears to lead to a good prognosis.

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Experimental Autoimmune Uveitis: An Intraocular Inflammatory Mouse Model
07:40

Experimental Autoimmune Uveitis: An Intraocular Inflammatory Mouse Model

Published on: January 12, 2022

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Last Updated: Jun 3, 2026

Primed Mycobacterial Uveitis (PMU) as a Model for Post-Infectious Uveitis
10:33

Primed Mycobacterial Uveitis (PMU) as a Model for Post-Infectious Uveitis

Published on: December 17, 2021

Experimental Autoimmune Uveitis: An Intraocular Inflammatory Mouse Model
07:40

Experimental Autoimmune Uveitis: An Intraocular Inflammatory Mouse Model

Published on: January 12, 2022

Area of Science:

  • Ophthalmology
  • Infectious Diseases
  • Rheumatology

Background:

  • The link between streptococcal infections and uveitis is not well-established.
  • This study investigates suspected cases of post-streptococcal uveitis.

Observation:

  • Four patients (2 male, 2 female) with uveitis and recent streptococcal infection symptoms were analyzed.
  • Elevated antistreptolysin-O titer (ASOT) was noted in all patients.
  • Uveitis presentations varied, including anterior, intermediate, and posterior forms with distinct lesions.

Findings:

  • All patients presented with uveitis following a sore throat or fever.
  • No alternative causes for uveitis were identified.
  • Treatment involved topical or short-term systemic steroids; no antibiotics were administered.

Implications:

  • These findings suggest uveitis can be a manifestation of post-streptococcal syndrome.
  • The cases indicate a potentially favorable prognosis for post-streptococcal uveitis.
  • Further research is warranted to confirm the causal link and optimize management strategies.