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Enhanced electro-active lens system

  • US 7,588,332 B2
  • Filed: 12/31/2007
  • Issued: 09/15/2009
  • Est. Priority Date: 08/15/2003
  • Status: Active Grant
First Claim
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1. A lens having an optical power, comprising:

  • a sensor adapted for sensing an ambient light and producing a signal based on said sensed ambient light; and

    a controller operably connected to said sensor, wherein said controller is adapted for adjusting the optical power of the lens based on said signal from said sensor and the controller is further adapted for adjusting the optical power of the lens to one of a plurality of optical prescriptions of a wearer of the lens based upon an intensity of said ambient light.

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