ROBERTSON, K M. Case Report: Application of Percival’s Criterion in Correcting Insignificant Hyperopia in a Pre-Presbyope. Canadian Journal of Optometry, [S. l.], v. 46, n. 1, 1984. DOI: 10.15353/cjo.v46i1.4333. Disponível em: https://openjournals.uwaterloo.ca/index.php/cjo/article/view/4333. Acesso em: 21 jun. 2024.