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Deficiency of vitamin A

List the major harms which are caused by the deficiency of vitamin A? How these vitamins act in the physiology of vision?

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Vitamin A deficiency can result in the night blindness, corneal dryness also known as xerophthalmia and predisposition to skin injuries. In physiology of vision, vitamin A is responsible in formation of the rhodopsin, a pigment which is responsible for visual perception in fewer illuminated places. Nutrition vitamins - Image Diversity: vitamin A deficiency.

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