Orbital Compartment Syndrome – needs to be diagnosed CLINICALLY

On exam, LOOK for: Proptosis, Ophthalmoplegia, Afferent Pupillary Defect, Vision Loss

On exam, FEEL for: Rock hard globe, tense eyelids, resistance to retropulsion

IOP > 40 means immediate canthotomy is indicated!

Don’t perform if open globe is present

Lateral Canthotomy Procedure: Anesthetize, Devascularize, Canthotomy, Cantholysis (inferior crus first)

Paperclip Eyelid Retractors