Related Experiment Video
Updated: Jun 19, 2026

Intravitreal Injection and Quantitation of Infection Parameters in a Mouse Model of Bacterial Endophthalmitis
Published on: February 6, 2021
Endogenous endophthalmitis caused by Citrobacter koseri
Chun-Hsiang Chiu1, Ming-Yieh Peng, Ying-Chuan Wang
1Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
Endogenous endophthalmitis, a severe eye infection, can be caused by rare bacteria. This case highlights Citrobacter koseri bacteremia leading to endophthalmitis and kidney abscesses.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Microbiology
Background:
- Endogenous endophthalmitis results from hematogenous spread of pathogens to the eye.
- Klebsiella pneumoniae and Escherichia coli are the most frequently identified causative agents.
- Limited data exists on endophthalmitis attributed to Citrobacter species.
Observation:
- A patient presented with endogenous endophthalmitis.
- The patient also had Citrobacter koseri bacteremia and renal abscesses.
Findings:
- This report details the first documented case of endogenous endophthalmitis caused by Citrobacter koseri bacteremia.
- The infection involved both the eye and the kidneys.
Implications:
- This case expands the known spectrum of pathogens causing endogenous endophthalmitis.
- Highlights the importance of considering rare bacteria in diagnosing endophthalmitis, especially with concurrent infections like renal abscesses.
Related Concept Videos
Microbiome of the Eye
Endocarditis I: Introduction
Glaucoma: Overview
Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies. Common...
Cryptococcal Meningitis
Angle Closure Glaucoma: Treatment
