Yes, taking vitamin A will help people with night blindness. Vitamin A maintains normal visual function which is very necessary for the human body. Eye of photoreceptors in the retina rod cells and cone cells in the two cells are photosensitive pigment, of rhodopsin feeling weak light and strong visual purple blue substance. The rhodopsin with visual purple blue mass is composed of opsin and retinal rhodopsin after light exposure. 11 - shun retinene constitutes the retinal and is separated from opsin and blank. If this process is called bleach into the dark, because it is not sensitive to weak light of rhodopsin disappeared, you can't see things. If vitamin A is enough, the rhodopsin regenerate quickly and completely, so the dark adaptation recovery time is short. If lack of vitamin A, the regeneration rhodopsin slow and incomplete. So the dark adaptation recovery time will be extended. It will seriously cause night blindness. There are many benefits of owning vitamin A. It can maintain a healthy epithelial tissue cells and promote the synthesis of immunoglobulin. In addition, it can keep the normal bone growth and development. It can also promote the growth and reproduction. Thus taking vitamin A is the necessary part.
