Problems caused by the deficiency of vitamin A
What are the main problems caused by the deficiency of vitamin A? How does this vitamin perform in the physiology of visualization?
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Deficiency of vitamin A (that is, retinol) might cause night blindness, corneal dryness (or xerophthalmia) and pre-disposition to skin injuries.
In physiology of vision, vitamin A contributes in the formation of rhodopsin, a pigment accountable for the visual perception in less illuminated regions.
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