Idiopathic orbital hemorrhage related to the inferior rectus muscle - A rare cause for acute-onset diplopia and unilateral proptosis

Abstract

PURPOSE: To report 6 patients with spontaneous orbital hemorrhage in relation to the inferior rectus muscle. DESIGN: Retrospective observational case series. PARTICIPANTS: Six patients with acute onset orbital pain, diplopia, and proptosis referred to the orbital clinic at the Royal Victorian Eye and Ear Hospital, January 1995 through December 2004. METHODS: Review of clinical history, imaging studies, and follow-up. MAIN OUTCOME MEASURES: Resolution of proptosis and diplopia and imaging studies of the orbit, including computed tomography (CT), magnetic resonance imaging (MRI), or both. RESULTS: Six patients (4 men, 2 women; mean age, 68 years) were referred with acute onset of unilateral pr..