Percentage of eyes of patients who underwent cataract surgery combined with a trabeculectomy or an aqueous shunt procedure who had their visual acuity improve 1 or 2 or more Snellen lines from their preoperative visual acuity between 3 and 6 months postoperatively. Weighted average of performance rates reported. Performance Rate Descriptions: Rate 1: includes eyes of patients with a pre-operative visual acuity of better than 20/200 who had an improvement from their preoperative visual acuity of 2 or more lines between 3 and 6 months postoperatively Rate 2: includes eyes of patients with a pre-operative visual acuity of 20/200 who had an improvement from their preoperative visual acuity of 2 or more lines between 3 and 6 months postoperatively Rate 3: includes eyes of patients with a pre-operative visual acuity of 20/400 who had an improvement from their preoperative visual acuity of 1 or more lines between 3 and 6 months postoperatively