Well, yes, it is possible to have itchy eyes because of hay fever. Generally speaking, when you have hay fever, it will increase the blood pressure. And you should know that in that way, it will just affect your eyes, leading to high eye pressure. And then, in the end, eye strain will occur. So your eyes will be itchy. In some cases, you will get red, bloodshot eyes too. For your situation, I will suggest you take a cold compresses on your eyes, and repeat it several time. And then it can just disappear. Besides, you can just use some cool teabags under your eyes, which can be beneficial for your eyes. Also, eye drops will be effective. By the way, cool cucumbers are very useful. Anyway, you can have a try.