Definitely, you can improve your vision by intake vitamin A, and it works wonders on eyes. Vitamin A is safe for most people when used in doses less than 10,000 units per day. Actually, vitamin A is a group of antioxidant compounds that play a significant role in vision, and it helps the surface of the eye, mucous membranes and skin be effective barriers to bacteria and viruses, reducing the risk of eye infections, respiratory problems and other infectious diseases. Vitamin A is also required for the proper development and functioning of our bones, skin, immune system, and many other parts of our bodies. Besides, for many eye problems for example dry eyes, then you can use vitamin A eye drops that is quite effective for the treatment of dry eye syndorme, and you can also use vitamin A eye drops to help relieve some specific types of eye inflammation such as superior limbic keratoconjunctivitis. All in all, knowing that vitamin A is crucial to vision, we should intake some of vitamin A to improve and prevent eyes problems because vitamin A deficiency may result in blindness.