SACHAN, N.; SRIVASTAVA, D.; JAIN, P. K.; BAJPAI, P. K.; SINGH, S. K.; MEHRA, J. Prevalence of undetected refractive errors among school children: a cross sectional study in urban Etawah, India. International Journal Of Community Medicine And Public Health, [S. l.], v. 5, n. 10, p. 4608–4612, 2018. DOI: 10.18203/2394-6040.ijcmph20184018. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/3666. Acesso em: 27 oct. 2025.