A study of changes in cognitive evoked potentials in persons with visual impairmentAnton Selskii, Maksim Zhuravlev, Anastasiia Runnova, Elena Grinina, Marina Konovalova and Rail ShamionovE3S Web Conf., 273 (2021) 10051DOI: https://doi.org/10.1051/e3sconf/202127310051