Evidence supporting the use of: Tea (unspecified)
For the body system: Eyes

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Tea, particularly green tea, has been traditionally used in various cultures as a general health tonic, and some traditional medicine systems suggest benefits for eye health. In Chinese and Ayurvedic medicine, tea is occasionally recommended to support vision, reduce eye strain, or soothe eye discomfort, often by drinking the tea or applying cooled tea bags to the eyes to reduce puffiness and irritation. However, these uses are primarily based on anecdotal evidence and longstanding practice rather than robust scientific validation.

Modern scientific research has identified that tea contains antioxidants such as catechins (in green tea) and theaflavins (in black tea), which may offer general protective effects against oxidative stress, a factor in age-related eye diseases like macular degeneration and cataracts. However, direct clinical evidence for tea consumption significantly supporting eye health in humans is limited. Some laboratory and animal studies suggest potential benefits, but comprehensive human trials are lacking. Overall, tea’s use to support eye health remains rooted in tradition, with only indirect or preliminary scientific support.

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