Fig. 15 A. A 19-year-old university student fell 10–15 feet from a parking garage. While in the emergency department he developed eyelid ecchymosis and reduced visual acuity of the left eye. B. Axial computed tomography (CT) scans revealed a subperiosteal hematoma posteriorly along the medial orbital wall. The blood was drained and postoperatively the acuity returned to 20/20. C. Axial computed tomography (CT) scans revealed a subperiosteal hematoma posteriorly along the medial orbital wall. The blood was drained and postoperatively the acuity returned to 20/20.