Ciobotea, Dana, et al. “Visual Impairment in the Elderly and Its Influence on the Quality of Life”. Revista de Cercetare Si Interventie Sociala, vol. 54, Sept. 2016, pp. 66-74, https://www.rcis.ro/journal/article/view/2293-visual-impairment-in-the-elderly-and-its-influence-on-the.