“Comparative Study of Computer Vision Syndrome and Smart Devices Among the Employers and Students in College of College of Health and Medical Technique of University of Al -Furat Al-Awsat Techniques. Kufa”. 2018. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences 26 (8): 29-40. https://doi.org/10.29196/jubpas.v26i8.1655.