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Visual Prosthesis

  • US 20080262570A1
  • Filed: 10/19/2007
  • Published: 10/23/2008
  • Est. Priority Date: 10/20/2006
  • Status: Active Grant
First Claim
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1. A retinal stimulation system configured to stimulate neural tissue in a subject'"'"'s eye, the retinal stimulation system comprising:

  • 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.

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