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Multi-phasic microphotodiode retinal implant and adaptive imaging retinal stimulation system

  • US 6,611,716 B2
  • Filed: 04/02/2001
  • Issued: 08/26/2003
  • Est. Priority Date: 06/06/1995
  • Status: Expired due to Term
First Claim
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1. A retinal implant for electrically inducing vision in an eye, the retinal implant comprising:

  • at least one photosensitive element electrically responsive to incident light, the at least one photosensitive element having a first side responsive to a first bandwidth of light to generate a positive polarity current and a second side responsive to a second bandwidth of light to generate a negative polarity current, wherein the at least one photosensitive element is adapted to contact retinal cells.

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