Sundling, Vibeke. “Visual Acuity and Correctable Visual Impairment Among Norwegian 65-Year Olds”. Scandinavian Journal of Optometry and Visual Science 4, no. 1 (June 29, 2011): 23–29. Accessed November 21, 2024. https://conferences.lnu.se/index.php/sjovs/article/view/3370.