- One or both eyes having a history of recurrent or chronic ocular Behcet's disease affecting the eye more than 1 year duration requiring either systemic corticosteroid or other equivalent systemic therapy for at least three months prior to enrollment; OR at least 2 sub-Tenon's injections of corticosteroid for the management of uveitis during the six months prior to enrollment; OR at least 2 separate recurrences within the six months prior to enrollment requiring either systemic corticosteroid therapy or sub-Tenon's injection of corticosteroids