Well, from your description, I think you may have got dry eyes. 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, you may have a condition, which is known as dry eye. So for your situation, you can just take something for inflammation, like Omega-3 fish oils, and use eye drops for a long time. I think it can be effective after a long time. For sake of safety, you should use the safe brand, and just make sure you get the kind with no preservatives for they can make the problem worse in the long run. Besides, if your situation is serious, you might also check with your eye doctor, so that you can make sure it is fine.