From February 2016 my wife had her nerves swollen near the eyes (below lower lid and above her cheeks), the nerves were protruding. Consulted an eye doctor n told that was infection n gave some eye drops. For months it wasn't reduced. Next consulted in a hospital, an MRI was done. There was no problem in the eyes. Then doctor concluded that it should be dural arterial venous fistula. Next week DSA will be done for locating the fistula. My worries are whether it can be cured? Is surgery necessary? Is this a complicated one? She is 32 in age.