THE IMPACT OF EXTENDED SCREEN TIME ON EYE HEALTH AMONG UNIVERSITY STUDENTS IN KARACHI: A CROSS-SECTIONAL STUDY. Center for Management Science Research, [S. l.], v. 3, n. 4, p. 998–1022, 2025. Disponível em: https://cmsrjournal.com/index.php/Journal/article/view/331. Acesso em: 1 apr. 2026.