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Adjustable contact lens system

  • US 10,409,088 B2
  • Filed: 10/03/2016
  • Issued: 09/10/2019
  • Est. Priority Date: 12/03/2004
  • Status: Active Grant
First Claim
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1. An adaptive vision modification system, comprising:

  • a sensor;

    an adjustable contact lens including an adjustable optical element for modifying a visual input to a subject;

    a processor operatively connected to the sensor and to the adjustable contact lens, the processor including a signal input for receiving from the sensor an image quality signal indicative of a quality of an image at a retina of the subject;

    a pre-processor for preliminary signal processing of the image quality signal to produce a pre-processed signal;

    a signal analyzer configured to analyze the pre-processed signal to generate as output at least one quality parameter characterizing a quality of the visual input at a retina of the subject;

    a lens system controller configured to receive the at least one quality parameter and to generate a lens system control signal for controlling the adjustable contact lens in response to the at least one quality parameter;

    wherein in one or more of the pre-processor, the signal analyzer, and the lens system controller are packaged separately from the adjustable contact lens.

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