Well, puffy eyes can be a sign of diabetes. As we know that when the blood sugar level become too high, it can lead to diabetes. In that situation, some disorder may occur in your eyes too. so it can just affect your eyes, leading to some eye problems. For example, it can lead to puffy eyes. Also, dark circles, eye bags, even floaters in your eyes may occur too. So for your situation, of course, you can try some warm compresses to treat it at fist, and then, you may need to go and see the doctor, so that he can give you some advices.