Optic nerve imaging with OCT predicts disease progression and monitors brain and spinal atrophy in primary progressive multiple sclerosis. - Bollo L; Pareto D; Tagliani P; Sceppacuercia S; Alberich M; Cabello S; Carbonell P; Villacieros-Álvarez J; Cobo-Calvo À; Tur C; Arrambide G; Carvajal R; et al. (Multiple sclerosis (Houndmills, Basingstoke, England), 2026)