OPHTHALMIC ELEMENT COMPRISING A FILM STRUCTURE
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United States of America
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Jan 30, 2025
app pub date -
Dec 8, 2022
filing date -
Dec 8, 2022
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Abstract
An ophthalmic element includes a vision base element and a film structure that is adhered to an optical surface of the vision base element, so that the film structure conforms to the optical surface. The film structure comprises at least one auxetic film that has a negative Poisson ratio. Using an auxetic film suppresses wrinkles, cracks and delamination that may appear in the ophthalmic element when the optical surface is synclastic.
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