Fig. 4From: Acute vision loss in Guillain–Barré syndrome: A case series and review of literatureA Axial T2 weighted fat saturated image of orbit demonstrates distension of perioptic sheath of bilateral optic nerve. B Sagittal T2 weighted fat saturated image of orbit demonstrates vertically tortuous of right optic nerve with distension of perioptic sheath and flattening of posterior scleraBack to article page