A 67-year-old female presented to the emergency department after blunt trauma to the left face. CT scan of the face without contrast revealed a fracture of the left lateral orbital wall and an underlying subperiosteal hematoma, characterized by its extraconal location and lenticular appearance. Orbital subperiosteal hematomas are most commonly seen in the superior and supero-medial orbital walls in the setting of trauma. The location of this patient's fracture suggests possible involvement of the zygomaticotemporal vessels.