Well, in my opinion, too much crying can just make your dry eye become serious. So just be careful about it. First, you should know that if your eyes do not make enough tears to coat the eye, dry eye may occur. Also, for the causes, some factors such as vitamin a deficiency, eye infection. And when you suffer from dry eyes, your eyes will feel discomfort, including irritation, burning, grittiness, redness, tearing, and itchy. At this moment, you can try some ways to treat it. Of course, using some eye drops can be a good way for your itchy eyes. But also, you need to go and see the eye doctor who can give some advices, if your situation becomes serious.