Well, according to some experts, the condition you have got could be eye strain. And in common, it is caused by improper focusing or when the two eyes are not properly aligned. And that is why your head hurt when you move your eyes. And of course, for the causes, it can be because of the overuse of eyes. Also, long term use of glasses can lead to it too. So just be careful about it. By the way, you can just have some cool cucumber on your eyes and then have some cold compresses. In that way, it can just relieve your symptoms.