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Article Synopsis
  • Tea is one of the most widely consumed beverages globally, and this study aimed to explore its acute effects on retinal blood vessels using optical coherence tomography angiography (OCTA).
  • The study included 60 healthy participants divided into two groups: one drank black tea while the other only consumed water, and various retinal vascular metrics were analyzed post-consumption.
  • Results showed no significant changes in macular microcirculation between the black tea and water groups, suggesting that acute black tea consumption does not impact retinal circulation in healthy individuals, but it could lay the groundwork for further research on long-term effects.
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