Lens for eyewear and other headworn supports having improved optics
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United States of America Patent
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May 7, 2024
Grant Date -
Aug 18, 2022
app pub date -
Apr 25, 2022
filing date -
Jul 26, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A lens is provided that has an improved optical configuration in order to provide enhanced off-axis optical performance by tending to reduce, eliminate, or minimize first order optical distortion. Embodiments may be used in non-corrective or corrective unitary or dual lens eyewear, for example in combination with a frame to support the lens in a path of a straight ahead line of sight forming a center axis of an eye of a typical wearer. The lens may comprise a lens body. The lens body may comprise a surface having a spheric, toric, cylindrical or freeform geometry and another surface having a freeform geometry. A lens thickness is defined between the surfaces. A prismatic power of the lens is improved, particularly for off-axis viewing angles.
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