Abstract
ABSTRACT Purpose To report a case of acute retinal necrosis (ARN) due to varicella zoster virus (VZV) after COVID-19 vaccine administration. Design/methods Observational case report. Result A 62-year-old immunocompetent African American male presented with left eye redness, decreased vision, and floaters after receiving a COVID-19 vaccine seven days prior. Slit-lamp examination revealed diffuse fine endothelial keratic precipitates. Funduscopic examination was notable for vitreous cells, occlusive retinal vasculitis, large retinal hemorrhages, and three quadrants of peripheral areas of retinal whitening. Quantitative polymerase chain reaction testing was positive for varicella zoster virus in the vitreous humor. Treatment with intravitreal and intravenous antiviral therapy resulted in symptomatic improvement. Conclusion COVID-19 mRNA vaccination may cause an immunomodulatory response that leads to reactivation of dormant VZV. Early recognition and treatment can improve visual outcomes.
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