Biofusion Eye Cream Third, a healthy diet will be good for our eye health and can improve our poor vision in a natural way. We can eat some carrots rich in Vitamin A to keep our eye healthy. And we can also get some Vitamin C and E, which can keep our eyes as well as our body in health. Omega-3 fatty acid has some effect in keeping the function of our eyes. But it is a pity that most people do not have enough fats. So from now on, in order to keep our eye healthy, we can take in more food rich in Omega -3, for example, oily fishes like mackerel, sardines and herring. And we can also take some Omega-3 supplement to satisfy the need of our eyes.