Bilateral Idiopathic Orbital Inflammation Syndrome in an adult patient: A rare case report.

Bilateral Idiopathic Orbital Inflammation Syndrome (IOIS) is rare in adults. Most commonly it affects the young adults and children. It is mostly unilateral condition. This is a case of 50 years old male coming with the complaints of painless proptosis on both the eyes for 1 year. The history of diplopia was also found. On examination, it was found that there was restriction of movements in Right eye superiorly. Any history of associated systemic illness was not found. Based on the clinical examination, laboratory reports and contrast enhanced computed tomography (CECT) the diagnosis of Bilateral IOIS was made. Patient was treated with Intravenous methyl prednisolone followed by oral Prednisolone in tapering doses for a period of 2 months. After 2 month of regular follow up the patient was found to have a favorable outcome with improved visual acuity and reduction in the size of the proptosed eye. Patient was followed up for another 6 month to observe any recurrence or relapse.