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Published September 2016 | public
Journal Article

Operational Design Considerations for Retinal Prostheses

Abstract

Three critical improvements resulting from computer simulations for present day and future retinal vision implants are proposed and discussed: (1) A time profile for the stimulation current that leads predominantly to transversal stimulation of nerve cells; (2) auxiliary electric currents for electric field shaping with a time profile chosen such that these currents have small probability to cause stimulation; and (3) a local area scanning procedure that results in high pixel density for image/percept formation, except for losses at the boundary of an electrode array.

Additional Information

© 2016 IEEE. Date of publication: 19 August 2016. Fruitful discussions with Robert Wilke are gratefully acknowledged. Financial Disclosures: Authors EWS and WF may have proprietary interest in the stimulation modalities presented in this manuscript as patents on behalf of the California Institute of Technology and the University of Arizona have been issued and are currently pending.

Additional details

Created:
August 20, 2023
Modified:
October 20, 2023