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Retinal findings in patients with COVID-19


  • COVID-19 affects the retina in a subgroup of patients, with retinal vein diameter being directly correlated with disease severity.

Why this matters

  • COVID-19 is associated with macro- and microvascular alterations in other parts of the body and has been detected in the retina in a minority of patients; however, there are currently no studies focusing specifically on retinal microvasculature in COVID-19.

  • The discovery of COVID-related retinal microvasculature changes has important implications for enhancing current understanding of less common virus effects, and potentially uncovering a novel inflammatory biomarker for a specific subset of COVID patients, which may help direct treatment for the most favorable outcomes.

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