Evidence supporting the use of: Vitamin A (retinyl palmitate)
For the health condition: Night Blindness

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Synopsis

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

Vitamin A (retinyl palmitate) is scientifically validated for the treatment and prevention of night blindness (nyctalopia). Night blindness is often caused by a deficiency of vitamin A, which is essential for the normal functioning of the retina, particularly the photoreceptor cells called rods that are responsible for vision in low-light conditions. The active form of vitamin A, retinal, combines with the protein opsin to form rhodopsin, a light-sensitive pigment crucial for scotopic (dim light) vision. Numerous clinical studies and decades of medical research have established that vitamin A supplementation can reverse or prevent night blindness due to deficiency.

Vitamin A deficiency is a leading cause of preventable blindness, particularly in developing countries. The World Health Organization and other health authorities recommend vitamin A supplementation in populations at risk of deficiency to reduce the incidence of night blindness and other ocular complications. Retinyl palmitate is a commonly used supplemental form of vitamin A and is effective in restoring adequate vitamin A levels.

In summary, the use of vitamin A (retinyl palmitate) for night blindness is strongly supported by scientific evidence, with a clear understanding of the biochemical mechanisms and well-documented clinical outcomes.

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