PMC5483976_01
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.
OC-07-14-g-001.jpg
PMC5483976_01_OC-07-14-g-001.jpg
F1
After the initial ophthalmoscopic and systemic evaluation, a computerized tomography (CT) was performed to scan both orbit and brain and it showed round hypointense images corresponding to air bubbles within the optic nerve of the left eye (Figure 1a,b (Fig. 1)). At the follow-up visit three days after the surgery, the BCVA of the patient was 20/20 bilaterally, and the orbital CT scan showed disappeared air images within the optic nerve sheath (Figure 1c (Fig. 1)).