Facial exerciser symptoms and conditions

I've took a very high dosage of prednisone for 6 years, from the age of ten years old. 17 years later, i still have an extreme moon face. The only thing that has ever helped me was a facial exerciser (a microcurrent devise), but those results can be hard an expensive to maintain. As anyone else ever had a moon face that wouldnt go away even after stopping their prednisone usage after a long period of time? Does anyone have any advice for me, on how i can finally get rid of this horrible extreme moonface? my face and all my facial features are swollen, including my eyelids, this has been goin on for years. I also have suffered for years from severe chronic diarrhea from an illeostomy reversal. Please help me.