Lenses and spectacles bearing lenses
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United States of America Patent
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Jan 1, 2002
Issued Date -
N/A
app pub date -
Apr 16, 1999
filing date -
Apr 17, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
An optical lens element of wrap-around or shield type wherein the aperture of the lens outline or edge of east one surface of the optical lens element is of generally ovaline shape and located on the surface of a sphere whose radius of curvature corresponds to 11 D or above, a toroid where the horizontal radius or curvature corresponds to 11 D or above, or a surface where the radius of curvature changes across at least section of the lens aperture.
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Family
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Cited Art Landscape
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