BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Night blindness is one of the first signs of vitamin A deficiency. In its more severe forms, vitamin A deficiency contributes to blindness by making the cornea very dry, thus damaging the retina and cornea.

Detailed explanation-2: -When you don’t get enough vitamin A in your diet, you may be at risk of developing a vitamin A deficiency. Over time, this can lead to numerous health concerns including vision problems, decreased immunity, and death. Luckily, you can treat mild forms of vitamin A deficiency without any long-term problems.

Detailed explanation-3: -Night blindness may be an early sign of vitamin A deficiency. Supplementing with beta-carotene, which the body converts into vitamin A, help correct such a deficiency and improve night blindness.

Detailed explanation-4: -As it relates to eyesight, vitamin A (also called all-trans-retinol) has been shown to be useful in helping with night vision. Vitamin A is a precursor of rhodopsin, the photopigment found in rods within the retina of our eye that helps us to see at night.

Detailed explanation-5: -Final answer: Deficiency of Vitamin A causes night blindness.