RT Book, Section A1 Perin, Andrew F. A1 Bayram, Jamil D. A1 Uwaydat, Sami H. A2 Reichman, Eric F. SR Print(0) ID 1159808608 T1 Acute Orbital Compartment Syndrome (Retrobulbar Hemorrhage) Management T2 Reichman's Emergency Medicine Procedures, 3e YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781259861925 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1159808608 RD 2024/09/08 AB Acute orbital compartment syndrome is defined as an acute elevation of intraorbital pressure with resultant rapid ocular dysfunction. Patients typically present with ocular pain, proptosis, and blurry vision (Figure 194-1). Clinical signs of an acute orbital compartment syndrome include afferent pupillary defects, chemosis, decreased visual acuity, diminished retropulsion of the affected globe to direct manual pressure, elevated intraocular pressure (usually above 40 mmHg), exophthalmos or proptosis, mydriasis, ophthalmoplegia, and signs of retinal ischemia on funduscopic examinations (rare).1-40