Well, generally speaking, thyroid eye diseases cannot be permanent, so you should not worry about it. Generally thyroid eye diseases can be very annoying, and also sometimes, dangerous too. According to some experts, thyroid disease is a thyroid hormone deficiency disease, which can cause an infiltration of complex sugar molecules in your face, which leads to swelling and discoloration in your face and around your eyes. Besides, it can cause dark circles and swelling eyes under your eyes. For your situation, you can eat more fruits and vegetables and it can be effective. And if you still feel not so well, just go and see the eye doctor.