V, P.; A, M. S. A cross sectional study on refractive error among school children aged 6 to 17 years in Chennai, India. International Journal Of Community Medicine And Public Health, [S. l.], v. 3, n. 1, p. 71–73, 2017. DOI: 10.18203/2394-6040.ijcmph20151219. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/645. Acesso em: 13 nov. 2025.