AMAECHI, O.; OSUNWOKE, C. The relation between invasive and non-invasive tear break-up time in young adults. Journal of the Nigerian Optometric Association, [S. l.], v. 11, n. 1, 2011. DOI: 10.4314/jnoa.v11i1.64443. Disponível em: https://www.ajol.info/index.php/jnoa/article/view/64443. Acesso em: 4 aug. 2026.