Fig. 16 A. An 18-year-old male with a floor fracture, blew his nose and experienced sudden proptosis, ptosis' and orbital pain. The vision decreased to 20/200 in this eye. B. Proptosis is obvious on the right side. C. Axial computed tomography (CT) scan showing air within the orbit (arrows). D. Coronal computed tomography (CT) scan showing air within the orbit (arrows).