Prevalence of Computer Vision Syndrome and Its Relationship with Ergonomic and Individual Factors in Presbyopic VDT Workers Using Progressive Addition Lenses. - Sánchez-Brau M; Domenech-Amigot B; Brocal-Fernández F; Quesada-Rico JA; Seguí-Crespo M (International journal of environmental research and public health, 2020)