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