System, apparatus, and method for correcting vision using electro-active spectacles
First Claim
Patent Images
1. An electro-active spectacle comprising:
- an electro-active lens;
a frame holding the electro-active lens;
a viewing change detector coupled to the electro-active lens; and
a manual switch in communication with the viewing change detector, wherein the manual switch is adapted to override the viewing change detector to allow a selective manual focus of the electro-active lens.
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Accused Products
Abstract
An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.
297 Citations
69 Claims
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1. An electro-active spectacle comprising:
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an electro-active lens;
a frame holding the electro-active lens;
a viewing change detector coupled to the electro-active lens; and
a manual switch in communication with the viewing change detector, wherein the manual switch is adapted to override the viewing change detector to allow a selective manual focus of the electro-active lens. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An electro-active spectacle comprising:
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an electro-active lens;
a frame holding the electro-active lens; and
a viewing change detector coupled to the electro-active lens and adapted for a change in head position of a wearer of the electro-active spectacle, the viewing change detector including a first detector adapted to detect the head position change, and a second detector adapted to override the first detector. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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24. An electro-active programmable spectacle, comprising:
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an electro-active lens; and
a time delay controller configured to adjust a voltage applied to the electro-active lens according to a programmed time adjustment. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A method for adjusting a focal length of an electro-active lens, comprising:
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changing the focal length of at least a portion of the electro-active lens;
recognizing a change of head position of a wearer of the electro-active lens; and
overriding the focal length change in response to the head position change. - View Dependent Claims (35, 36, 37, 38)
delaying the focal length change in response to the head position change.
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36. The method of claim 34, further comprising:
recognizing a change in the wearer'"'"'s line of sight or the wearer'"'"'s viewing distance.
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37. The method of claim 34, wherein the focal length changes in response to at least one of the wearer'"'"'s line of sight change and the wearer'"'"'s viewing distance change.
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38. The method of claim 34, wherein the focal length changes in anticipation of at least one of the wearer'"'"'s line of sight change and the wearer'"'"'s viewing distance change.
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39. A system, comprising:
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an electro-active lens;
a frame configured to hold the electro-active lens; and
a programmable controller coupled to the electro-active lens and configured to adjust a voltage applied to the electro-active lens according to a programmed time adjustment. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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50. An electro-active lens focusing system, comprising:
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an electro-active lens;
a range finder housed within the perimeter of the electro-active lens;
a controller coupled to the electro-active lens and configured to adjust a voltage applied to the electro-active lens according to a signal from the range finder; and
a power source coupled to the controller. - View Dependent Claims (51, 52, 53, 54, 55)
a detector coupled to the electro-active lens and configured to detect a head tilt of a wearer of the lens, wherein the controller uses the detector for the wearer'"'"'s near vision viewing distance and the range finder for the wearer'"'"'s viewing distance of four feet or less.
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56. An electro-active spectacle, comprising:
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an electro-active lens; and
a controller coupled to the electro-active lens and configured to adjust a focal length of the lens according to an adjustable time delay, the delay being adjustable for a wearer of the spectacle. - View Dependent Claims (57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69)
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Specification