OPTICAL LENS ELEMENT FOR SLOWING DOWN EVOLUTION OF ABNORMAL VISUAL REFRACTION
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United States of America
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Issued Date -
Feb 13, 2025
app pub date -
Dec 16, 2022
filing date -
Dec 16, 2022
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Abstract
A lens element intended to be worn in front of an eye of a wearer, the lens element being adapted to provide a prescribed dioptric correction function in a prescription plane, the lens element including an arrangement of microoptical elements. When receiving a collimated beam of monochromatic light, the lens element is configured to produce a primary luminous intensity maximum in a prescription plane, and the arrangement of microoptical elements is configured to produce at least one first secondary luminous intensity maximum at a first proximity difference from the prescription plane and at least one second secondary luminous intensity maximum at a second proximity difference from the prescription plane, the first proximity difference and the second proximity difference having opposite signs.
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