Thuangtong, A. ., . P. . Samsen, and S. . Boonyakiatwatana. “Clinical Characteristics of Patients in Contact Lens Clinic, Siriraj Hospital”. Siriraj Medical Journal, vol. 64, no. 1, July 2020, pp. 7-10, https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/244139.