i had severe labrithitis about thirteen years ago and since have been left unable to walk on my own and have to use a wheelchair as i am so unsteady, i do not really have vertigo just very wobbly and unsteady.i had caloric testing in 1998 which showed mild underactivity of right inner ear, even though its my left ear that gets pain .any ideas? i have had MRI scans of my brain and neck which showed nothing. but these symptoms never go away, i caanot drive as its dangerous as feel so unsteady and like walking on cotten wool. any help would be appreciated