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Attachable electro-active lens systems

  • US 8,678,581 B2
  • Filed: 04/13/2011
  • Issued: 03/25/2014
  • Est. Priority Date: 04/13/2010
  • Status: Active Grant
First Claim
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1. An spectacle system comprising:

  • a base lens unit including a first lens, a frame configured for wearing the base lens unit on a user, and a first attachment mechanism; and

    an attachable lens unit including a second lens and a second attachment mechanism configured to join with the first attachment mechanism; and

    a communication mechanism configured to communicate at least one of data, instructions and electrical power between the base lens unit and the attachable lens unit,wherein, the first lens includes an electro-active lens,the base lens unit further includes an electrical power source, andthe communication mechanism is configured to provide electrical power from the base lens unit to the attachable lens unit.

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