Presbyopia: Prevalence, distribution and determinants in Owerri, Nigeria. Journal of Experimental and Clinical Anatomy, [S. l.], v. 13, n. 1, p. 21–25, 2014. DOI: 10.4103/1596-2393.142927. Disponível em: https://jecajournal.com/index.php/home/article/view/224.. Acesso em: 17 nov. 2025.