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Updated: Jun 25, 2025

The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy rNAION

The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy rNAION

Published on: November 20, 2016

Acute retinal necrosis.

Jessica Thawley¹, Christopher Colbert¹, Wesley Eilbert¹

¹Department of Emergency Medicine, University of Illinois Chicago, College of Medicine, Room 469 COME, 1819 West Polk Street, Chicago, IL 60612, United States of America.

The American Journal of Emergency Medicine

|May 28, 2024

Summary

This summary is machine-generated.

Acute retinal necrosis (ARN) is a rare viral eye infection, often caused by herpesviruses. Early diagnosis is crucial as ARN can lead to permanent vision loss, even in young, healthy individuals.

Keywords:

Acute retinal necrosis Retinal necrosis Uveitis Viral uveitis

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Area of Science:

Ophthalmology
Virology
Infectious Diseases

Background:

Acute retinal necrosis (ARN) is a severe form of viral retinitis.
Herpesviruses are the most common cause of ARN.
Delayed diagnosis of ARN frequently results in irreversible vision impairment.

Observation:

This report details a case of ARN in a 32-year-old patient.
The patient was previously in good health.
The case highlights ARN presentation in a younger demographic.

Findings:

ARN diagnosis can be challenging and is often delayed.
The progressive nature of ARN can lead to significant visual deficits.
This case underscores the potential for ARN in immunocompetent individuals.

Implications:

Emphasizes the need for increased awareness and prompt diagnosis of ARN.
Highlights the importance of early intervention to mitigate vision loss.
Suggests considering viral uveitis in young, healthy patients presenting with visual disturbances.