PMC

Swelling of the cheek and proptosis of the right eye had nearly subsided after 2 weeks of hospitalization but visual loss had not been recovered.

Photographs of the patient's face. (A) The face showed marked swelling of right cheek and periorbital area involving eyelid, severe proptosis of the right eye. (B) Nine cardinal gaze photographs showed severe limitation of the right eyeball movement for all gazes except abduction.

Fundus findings of the patient. (A) Fundus photograph of the right eye showed a pale optic disc, cherry red spot in macula, and edema at the posterior pole. (B) Fluorescein angiography of right eye showed a delay of retinal circulation.

CT findings of the patient. (A) Coronal CT scan at presentation showed severe maxillary and ethmoidal sinusitis as well as marked inflammatory swelling of soft tissue in the right cheek and temporal region. Intraorbital soft tissue inflammation and thickening of the lateral rectus muscle of right eye were also observed. (B) Axial CT scan taken 1 day after sinus surgery showed severe tenting of the posterior part of globe (arrow) and stretching of the optic nerve due to severe proptosis.