Title :
Visual task performance in blind humans with retinal prosthetic implants
Author :
Weiland, J.D. ; Yanai, D. ; Mahadevappa, M. ; Williamson, R. ; Mech, B.V. ; Fujii, G.Y. ; Little, J. ; Greenberg, R.J. ; De Juan, E., Jr. ; Humayun, M.S.
Author_Institution :
Dept. of Ophthalmology, Southern California Univ., Los Angeles, CA, USA
Abstract :
A prototype electronic retinal prosthesis has been tested in three subjects. The system features an implanted retinal stimulator and an external system for image acquisition, processing, and telemetry. The subjects in general performed better than chance on psychophysical tests involving object detection, object counting, object discrimination, and direction of movement.
Keywords :
biomedical electronics; biomedical telemetry; eye; prosthetics; vision; blind humans; electronic retinal prosthetic implants; image acquisition; image processing; implanted retinal stimulator; movement direction; object counting; object detection; object discrimination; psychophysical tests; telemetry; visual task performance; Electronic equipment testing; Humans; Implants; Object detection; Performance evaluation; Prosthetics; Prototypes; Psychology; Retina; Telemetry; electrical stimulation; neural engineering; neural prosthesis; visual prosthesis;
Conference_Titel :
Engineering in Medicine and Biology Society, 2004. IEMBS '04. 26th Annual International Conference of the IEEE
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-8439-3
DOI :
10.1109/IEMBS.2004.1404164
