Visual prosthesis
A retinal stimulation system. The retinal stimulation system comprises an electronics package; and at least a first and a second electrode, each associated with the electronics package and configured to apply current to a subject's retina; wherein current to be applied by the first electrode and the second electrode is configured to be higher for the first electrode when the first electrode has an impedance lower than a second electrode's impedance.
Second Sight Medical Products, Inc.
A A
A61N A61N
inventional additional
Mark S. Matthew J. Robert J. Kelly H.
Humayun McMahon Greenberg McClure