Patients were treated with 1 or more of the following : systemic therapy ( corticosteroids or other immunosuppressive drugs ) for at least 3 months before enrollment , 2 or more sub-Tenon capsule corticosteroid injections for uveitis management during the 6 months before enrollment , or systemic corticosteroid or sub-Tenon capsule corticosteroid injection therapy required for at least 2 separate recurrences within 6 months before enrollment .