“Prevalence of Refractive Error in Paediatric Age Group in a Tertiary Eye Center in Onitsha, South East, Nigeria ”.
International Journal of Medical and Health Sciences Research 10, no. 1 (May 10, 2023): 18–27. Accessed August 5, 2026.
https://archive.conscientiabeam.com/index.php/9/article/view/3362.