Charles, Kindness, Bernadine Ekpenyong, Simeon Agbasimere, and Edward Okoi. 2022. “Association Between Time Spent on Near Work and Myopia in Children in Calabar, Nigeria: A Case Control Study”. Journal of Epidemiological Society of Nigeria 6 (2):25-33. https://jeson.org.ng/index.php/jeson/article/view/120.