RecruitingPhase 1Biological interventionSafety of Cultured Allogeneic Adult Umbilical Cord Derived Mesenchymal Stem Cells for NAIONThis trial will study the safety and efficacy of intravenous and sub-tenon delivery of cultured allogeneic adult umbilical cord derived mesenchymal stem cells for the treatment of non-arteritic ischemic optic neuropathy