Jenchitr W, Raiyawa S. Refractive errors: the major visual impairment in Thailand[NB] . J. Curr. Sci. Technol. [internet]. 2023 Feb. 19 [cited 2025 Jun. 16];2(2):133-41. available from: https://ph04.tci-thaijo.org/index.php/JCST/article/view/580