Bases on recent researches, droopy eyes are not related to overweight. The reasons of droopy eyelids are various and the illness involves ophthalmology, neurology and maybe endocrine. Adults' droopy eyelids are usually caused by myasthenia gravis, external ophthalmoplegia, accidents and so on. On the whole, droopy eyelids is not a simple problem. If your upper eyelids are droopy, it will first of all, affect your appearance, secondly, it will affect your eyesight. Up to now, I only know that to treat droopy eyelids, people need to have an operation. If your problem is not severe, you can do some massage, but if not, you may need to consult your doctor to find out the reason and therapy of it.