@misc{indiciae2c79a6823b6d, title = {The Ocutech Vision Enhancing System (VES): utilization and preference study.}, author = {H A Greene and J Pekar and R Brilliant and P B Freeman and H T Lewis and R Siwoff and C Paton and D J Madden and R Westlund}, year = {1991}, url = {https://pubmed.ncbi.nlm.nih.gov/1813488/}, note = {Source identifier: 1813488} }