Well, generally speaking, you may get burning eyes if you have dehydration. As we know that there are many factors which can lead to burning eyes, such as high eye pressure. And the dehydration can also lead to high eye pressure. So if you have this kind of symptom, you should just be careful about it. Well, to treat your burning eyes, of course, you need drink more water. And also, I will suggest you put some cool ice on your eyes, and do some cold compresses on your eyes. In that way, it can relieve your symptom. Also, you should eat a diet rich in fresh fruits and vegetables. You should know that these foods provide lots of antioxidants, especially vitamins A and C and then do a good job to your symptom. Anyway, just pay more attention to it.