gms | German Medical Science

Figure

Figure 1: Computerized tomography (CT) images of the optic nerve sheath penetration
(a) Air bubbles within the left (operated) optic nerve indicate optic nerve sheath penetration (arrow). (b) Movements of air bubbles to the chiasm (arrow). (c) The follow-up CT scan at day 3 shows disappeared air bubbles in the left optic nerve sheath.