A randomised controlled trial of treatment for idiopathic intracranial hypertension Alexandra K. BallAndrew HowmanKeith WheatleyMichael A. BurdonTimothy Matthews • Andrew S. JacksMark LawdenArul SivaguruAlexandra FurmstonSteven Howell • Basil SharrackM. Brendan DaviesAlexandra J. SinclairCarl E. Cla