Fadillah Tarigan, Muhammad, and Rina Amelia. 2022. “The Relation Between Vision Distance, Body Posture, And Long Use of Computer With Computer Vision Syndrome in Faculty of Medicine Universitas Sumatera Utara”. KESANS : International Journal of Health and Science 1 (5):507-13. https://doi.org/10.54543/kesans.v1i5.48.