Fig. 4From: PRESERFLO MicroShunt implantation versus trabeculectomy for primary open-angle glaucoma: a two-year follow-up studyCourse of the mean BCVA over the two years of follow-up after TE or PF implantation. BCVA, best-corrected visual acuity; TE, trabeculectomy; PF PRESERFLOBack to article page