Amaurosis FugaxBlindnessLeber Congenital AmaurosisCarotid Artery DiseasesIschemic Attack, TransientRetinal Artery OcclusionCarotid Artery, InternalCarotid StenosisEndarterectomy, Carotidcis-trans-IsomerasesEndarterectomyAngiographyRetinal ArteryConstriction, PathologicRemission, SpontaneousIncidenceOptic Atrophy, Hereditary, LeberCerebrovascular DisordersCarotid ArteriesUltrasonography, Doppler, DuplexEye ProteinsOptic Atrophies, HereditaryRetinal DegenerationPostoperative ComplicationsRectal DiseasesRetrospective StudiesRetinitis PigmentosaPhotoreceptor Connecting CiliumRetinal DystrophiesElectroretinography