Moaiad Abdullateef Almasoudy (1), Khaldoon Khalil Nile (2), Salam Hamid Alshebani (3)
1. National Eye Institute. Facts about refractive errors [Internet]. Bethesda (MD): National Eye Institute; 2010 Oct [cited 2016 Jul 29]. Available from: https://nei.nih.gov
2. Kook D, Kohnen T. Refractive lens exchange. In: Spaeth GL, Danesh-Meyer HV, Goldberg I, Kampik A, editors. Ophthalmic surgery: principles and practice. 4th ed. Philadelphia: W.B. Saunders; 2012. p. 187-91. doi:10.1016/B978-1-4377-2250-5.00031-X.
3. Foster PJ, Jiang Y. Epidemiology of myopia. Eye (Lond). 2014;28(2):202-8. doi:10.1038/eye.2013.280. PMID:24406412; PMCID:PMC3930282.
4. Grosvenor T. Primary care optometry. 5th ed. St. Louis: Butterworth-Heinemann, Elsevier; 2007. p. 70.
5. Khalid, N., & Rosenfield, M. (2024). Astigmatism. In StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing.
6. Pan CW, Zheng YF, Wong TY, et al. Variation in prevalence of myopia between generations of migrant Indians living in Singapore. Am J Ophthalmol. 2012;154(2):376-81.e1.
7. Xu L, Li J, Cui T, et al. Refractive error in urban and rural adult Chinese in Beijing. Ophthalmology. 2005;112(10):1676-83.
8. Kim EC, Morgan IG, Kakizaki H, Kang S, Jee D. Prevalence and risk factors for refractive errors: Korean National Health and Nutrition Examination Survey 2008-2011. PLoS One. 2013;8(11):e80361.
9. Grosvenor T. Primary care optometry. 5th ed. St. Louis: Butterworth-Heinemann, Elsevier; 2007. p. 17.
10. Gianni T, Nikolaidou A, Tsina E. Retrospective analysis of refractive errors in pediatric patients in Greece. Acta Ophthalmol. 2025 Jan;103.
11. Leshaga L, Gaebolae K, Mutoloki E, Muma KI. Factors associated with refractive error among primary school going children in Molepolole, Botswana. Ophthalmol Res Int J. 2025 Mar 10;20(1):9-16.
12. Wu Q, Tian Q, Zhang X, Xu J, Tang G, Li R, Guo X, Xu Z, Feng J, Song J, Bi H. Prevalence of refractive error and visual acuity among school children in the plateau region of Qinghai, China. Int J Gen Med. 2021 Sep 16;14:5795-805.
13. Alghamdi W. Prevalence of refractive errors among children in Saudi Arabia: a systemic review. Open Ophthalmol J. 2021 May 24;15(1).
14. Al Wadaani FA, Amin TT, Ali A, Khan AR. Prevalence and pattern of refractive errors among primary school children in Al Hassa, Saudi Arabia. Glob Health Sci. 2012 Nov 11;5(1):125.
15. Lorato MM, Yimer A, Bizueneh FK. Prevalence of myopia in school-age children in Ethiopia: a systematic review and meta-analysis. SAGE Open Med. 2023;11:1-13.
16. Al-Ghamdi W, et al. Systematic review and meta-analysis of the prevalence of myopia among school-age children in the Eastern Mediterranean Region. Public Health. 2023;[Volume(Issue)]:[Pages].
17. Teran E, Romo-García E, Santiago HC, et al. Refractive errors of school children from economically ~ 37 ~ disadvantaged areas in Northwest México. J Clin Med. 2024;13(11):3094.
18. Sayed KM. Analysis of components of total astigmatism in infants and young children. Int Ophthalmol. 2017;37(1):125-9.
19. Mahmoud DA, Mansour MN. Prevalence of refractive errors and visual impairment due to refractive errors among school children in Cairo, Egypt. Delta J Ophthalmol. 2023 Jul 1;24(3):186-9.
20. Sayed KM. Analysis of components of total astigmatism in infants and young children. Int Ophthalmol. 2017;37(1):125-9.
21. He M, Foster PJ, Morgan IG, et al. Astigmatism and its components in 12-year-old Chinese children: the Anyang Childhood Eye Study. Ophthalmology. 2018;125(7):1078-86.