@misc{indiciaed18a73ec7e7d, title = {Vision and mental function of the elderly.}, author = {L H Snyder and J Pyrek and K C Smith}, year = {1976}, doi = {10.1093/geront/16.6.491}, url = {https://pubmed.ncbi.nlm.nih.gov/1021533/}, note = {Source identifier: 1021533} }