Endophthalmitis caused by nutrient variant streptococci after filtering bleb surgery
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Updated: Nov 7, 2026

Intravitreal Injection and Quantitation of Infection Parameters in a Mouse Model of Bacterial Endophthalmitis
Published on: February 6, 2021
1Department of Medicine, University of Hawaii-John A. Burns School of Medicine, Honolulu.
Abstract:
Late-onset endophthalmitis after filtering bleb surgery is most often caused by streptococci. We report the first case of endophthalmitis caused by nutrient variant streptococci (NVS), which probably originated from the oral cavity. This patient's vision improved from light perception to 20/80 with intravitreal and systemic antibiotic administration. In late-onset endophthalmitis, NVS can be pathogenic; the laboratory must be alerted to culture specifically for this fastidious bacterium.
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