Amaurosis FugaxBlindnessLeber Congenital AmaurosisCarotid Artery DiseasesIschemic Attack, TransientIschemiaRetinal Artery OcclusionCarotid Artery, InternalCarotid StenosisEndarterectomy, Carotidcis-trans-IsomerasesEndarterectomyAngiographyRetinal ArteryMyocardial IschemiaBrain IschemiaConstriction, PathologicRemission, SpontaneousCerebrovascular DisordersOptic Atrophy, Hereditary, LeberCarotid ArteriesUltrasonography, Doppler, DuplexEye ProteinsOptic Atrophies, HereditaryRetinal DegenerationPostoperative ComplicationsRectal DiseasesRetinitis PigmentosaReperfusion InjuryPhotoreceptor Connecting CiliumRetinal DystrophiesRetrospective StudiesElectroretinography