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Variable optic ophthalmic device including liquid crystal elements

  • US 9,690,116 B2
  • Filed: 11/05/2014
  • Issued: 06/27/2017
  • Est. Priority Date: 12/23/2011
  • Status: Active Grant
First Claim
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1. An energized ophthalmic lens device with a variable optic insert comprising:

  • an ophthalmic lens comprising an optical zone and a non-optical zone;

    an energy source;

    the variable optic insert comprising at least a portion within the optical zone, the variable optic insert comprising a first and second electrode, wherein the first and second electrodes are transparent, and wherein between the first and second electrodes no other electrodes reside;

    the variable optic insert comprising a layer of liquid crystal material, wherein the layer of liquid crystal material is located between the first and second electrode;

    at least a first layer of dielectric material between the layer of liquid crystal material and the first electrode, wherein the first layer of dielectric material varies in thickness across a region within the optical zone; and

    a wearer-controlled adjustment device.

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