Evidence supporting the use of: Fish Liver oil
For the health condition: Night Blindness

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Synopsis

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

Fish liver oil is scientifically validated as a treatment and preventive measure for night blindness, primarily due to its high vitamin A content. Night blindness (nyctalopia) is frequently caused by vitamin A deficiency, which impairs the production of rhodopsin, a photopigment necessary for vision in low-light conditions. Fish liver oils, especially cod liver oil, are among the richest natural sources of vitamin A (retinol), and their use in treating night blindness has been well documented since the early 20th century. Numerous clinical and biochemical studies have confirmed that vitamin A supplementation can rapidly reverse night blindness in deficient individuals. The World Health Organization recognizes vitamin A supplementation as an effective intervention for populations at risk of deficiency-related eye disorders. Therefore, the use of fish liver oil for night blindness is supported by robust scientific evidence, and it remains a cornerstone of public health strategies in areas where vitamin A deficiency is prevalent.

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