Mahmoud, Ziryab Imad Taha, and Rayan Fathelrahman Amed Ali. “Association Between Digital Eye Strain and Academic  Performance Among Clinical-Year Medical Students at the University of Bahri, Khartoum State, Sudan, 2025.: Ziryab Mahmoud 1  , Rayan Ali 2                                      corresponding Author Rayan Ali”. Journal of Advanced Research -EMR, vol. 69, no. 27, Dec. 2025, pp. 124 – 152 , https://wos-emr.net/index.php/JAREM/article/view/210.