Well, yes, dry eye can just lead to sinus problems too. As we know that if you do not have the necessary balance of these three layers in your eyes, or if your eyes do not make enough tears to coat the eye, dry eye can occur. At that moment, it will just weaken your eyes in some degree. For the symptoms of dry eyes, discomfort, irritation, burning, grittiness, redness, tearing, and blurred vision can be possible. In some cases, sinus problem can be possible because of the irritation. And that can be annoying and dangerous for your eyes, so just take some measures when you get dry eyes. For example, you can just drink more water and have more vitamins.