Snapshot A 12-year-old boy presents to the emergency department with right eye pain. His eye pain is associated with eyelid swelling and pain with eye movements. He previously had a bacterial rhinosinusitis. Physical examination is notable for a swollen eyelid with impaired extraocular movements. Blood cultures are obtained and he is admitted to the hospital for intravenous antibiotic administration. Overview Infection involving the fat and ocular muscles in the orbit login to view 1 more bullet Introduction Microbiology login to view 4 more bullets Pathophysiology login to view 5 more bullets Epidemiology Demographics login to view 1 more bullet Risk factors login to view 6 more bullets Presentation Symptoms login to view 2 more bullets Physical exam login to view 5 more bullets Imaging CT scan login to view 1 more bullet Studies Blood cultures login to view 1 more bullet Differential Preseptal cellulitis login to view 4 more bullets Treatment Medical login to view 6 more bullets Surgical login to view 4 more bullets Complications Blindness Abscess formation login to view 2 more bullets Cavernous sinus thrombophlebitis Brain abscess Prognosis Good with prompt antibiotic administration