Fig. 6From: PRESERFLO MicroShunt implantation versus trabeculectomy for primary open-angle glaucoma: a two-year follow-up studyCourse of the mean RNFL thickness measured using peripapillary OCT scan over the two years of follow-up after TE or PF implantation. RNFL, retinal nerve fibre layer; OCT, optical coherence tomography; TE, trabeculectomy; PF, PRESERFLOBack to article page