When you find that one of the eyes look higher than the other, you should take great notice of the eyes. You may have the eyes infection in the eyes. It really looks weird. You could use some eye drops to release the symptom. You'd better go to see the doctor and have the full check on the eyes.
In fact, there are some people, who are not very lucky, would have eyes that are positioned in different areas or levels, that is inborn and could not be fixed without cosmetic surgery. However, sometimes, your situation be be resulted from some other problems such as organic lesions, which might be hidden so that you need to examine your eyes thoroughly to see where went wrong. Just take it easy and protect your eyes..