Title :
Retinal prosthesis
Author_Institution :
California Univ., Santa Cruz, CA, USA
Abstract :
A prosthesis device is designed to replace the functionality of defective photoreceptors in patients suffering from Retinitis Pigmentosa and age-related Macula Degeneration. The circuit designs include a telemetry link used for power transmission and a bidirectional data communication bus. The 28.9mm2 IC dissipates 50mW and is fabricated in 1.2μm technology. Experimental results on human subjects are included.
Keywords :
biomedical telemetry; eye; prosthetics; vision defects; 50 mW; age-related macula degeneration; bidirectional data communication bus; defective photoreceptors; intraocular unit; pattern electrical stimulation; retinal prosthesis; retinitis pigmentosa; telemetry link; Coils; Electrodes; Envelope detectors; Implants; Photoreceptors; Pigmentation; Prosthetics; Pulse width modulation; Retina; Telemetry;
Conference_Titel :
Solid-State Circuits Conference, 2004. Digest of Technical Papers. ISSCC. 2004 IEEE International
Print_ISBN :
0-7803-8267-6
DOI :
10.1109/ISSCC.2004.1332672