Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Oranges are often associated with supporting eye health due to their high vitamin C content and the presence of other antioxidants. Scientifically, vitamin C is an essential nutrient for overall health, and evidence suggests it plays a role in eye health, particularly in reducing the risk of age-related cataracts and slowing the progression of age-related macular degeneration (AMD). The Age-Related Eye Disease Study (AREDS) found some benefit from antioxidant vitamins (including vitamin C) in slowing AMD progression, though the effect is modest and most pronounced when combined with other nutrients like vitamin E, zinc, and beta-carotene. Oranges also contain smaller amounts of other eye-supportive nutrients such as lutein and zeaxanthin, but not at levels comparable to dark leafy greens. While oranges are not a cure or primary treatment for eye diseases, regular consumption as part of a diet rich in fruits and vegetables is associated with better eye health outcomes. In summary, the use of oranges for eye support is scientifically grounded, but evidence is moderate and largely stems from the benefits of their vitamin C and antioxidant content rather than any unique property specific to oranges.

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