You may grow up with the understanding that eating carrots can help eyesight. In fact, you believe, the eye is damaged can be re-heal as many eating carrots.
This belief, if traced back, probably originating from the war against Germany. British soldier mocks capabilities German pilots see at night, eat all the carrots mentioned because they meet.
The myth that eating carrots can repair the vision, the same as other good myth, actually contains truth. Either a little or a lot.
Yes, the carrot is full of beta-carotene, which is converted by the body into vitamin A. Vitamin A is a molecule that helps the basic functions of the eye.
For example you from the light and into the dark room. After a few minutes, your eyes can adjust. That's because vitamin A.
In the back of your eye there are receptors that require fat-soluble molecules (vitamin larit vitamin A is fat) to help you see in low light. Some kinds of other vegetables do the same for you.