WOO, G.C; BOHNSACK, H. Comparison of the Distance and Near Vistech Vision Contrast Test Systems (VCTS) . Canadian Journal of Optometry, [S. l.], v. 48, n. 1, 2021. DOI: 10.15353/cjo.v48i1.4469. Disponível em: https://openjournals.uwaterloo.ca/index.php/cjo/article/view/4469. Acesso em: 21 jun. 2024.