Fig. 3From: PRESERFLO MicroShunt implantation versus trabeculectomy for primary open-angle glaucoma: a two-year follow-up studyKaplan–Meier plots showing rates for (a) qualified and (b) complete success in the TE and PF groups during 24 months of postsurgical follow-up; TE, trabeculectomy; PF, PRESERFLOBack to article page