Vitrectomy with a pars plana 25-gauge system Aug. 31, 2020 Overview Show transcript Overview Timothy W. Olsen, M.D., an ophthalmologist and vitreoretinal surgeon at Mayo Clinic in Rochester, Minnesota, performs a 25-gauge pars plana vitrectomy to address a complex, diabetes-related tractional retinal detachment in an eye with active proliferative disease. He uses bimanual techniques in a modified en bloc dissection for a macula-off detachment and a preexisting atrophic nasal stretch hole. Receive Mayo Clinic news in your inbox. Sign up Related ContentVideoCombined Boston keratoprosthesis, pars plana vitrectomy with replacement of silicone oilVideoVitrectomy for epiretinal membrane VID-20532618 Medical Professionals Vitrectomy with a pars plana 25-gauge system