Deficiency of vitamin A

Question

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

Answer 1

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.