Mariotti C, et al. - A comparative assessment was conducted of the changes in postoperative peripapillary retinal nerve fiber layer (p-RNFL) thickness following vitrectomy for the epiretinal membrane, in eyes with preexisting posterior vitreous detachment (PVD) and eyes with surgically induced PVD. A decrease could be achieved in the temporal sector in all eyes and in the temporal inferior and nasal inferior sectors through postoperative p-RNFL thickness after vitrectomy for the epiretinal membrane, in eyes with surgically induced PVD.