Photcharapngsakul C. Associated Factors of Digital Eye Strain among Clinical Years’ Medical Students and Treatment Results Using Single-Dose Unit Artificial Tears. Lampang Med J [internet]. 2022 Nov. 23 [cited 2026 Sep. 3];42(2):63-7. available from: https://he01.tci-thaijo.org/index.php/LMJ/article/view/260070