Spencer C. Chen Luke E. Hallum Gregg J. Suaning Nigel H. Lovell Psychophysics of Prosthetic Vision: I. Visual Scanning and Visual Acuity. 4400-4403 2006 EMBC https://doi.org/10.1109/IEMBS.2006.260816 https://www.wikidata.org/entity/Q50883644 conf/embc/2006 db/conf/embc/embc2006.html#ChenHSL06