Snap Shot A 29-year-old woman presents to the ED with a swollen and erythematous eyelid and an inability to adduct or abduct her eye. Introduction An infection of the orbit as a result of untreated blepharitis complication of paranasal sinus infection facial trauma Most common organisms include H. influenzae, S. pneumoniae, Staphylococcus, or Streptococcus Presentation Symptoms eye pain Physical exam opthalmoplegia proptosis decreased visual acuity Evaluation CT scan can evaluate extent of infection (whether preorbital, orbital, or abscess formation) Blood cultures Treatment Emergent medical treatment IV antibiotics as a hospital inpatient Prognosis, Prevention, and Complications Can spread to cavernous sinus resulting in thrombosis and meningitis