OPHTHALMIC LENS HAVING AN EXTENDED DEPTH OF FOCUS
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United States of America
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Mar 13, 2025
app pub date -
Nov 25, 2024
filing date -
Nov 25, 2024
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Abstract
In certain embodiments, an ophthalmic lens includes an optic having an anterior surface, a posterior surface, and an optical axis. At least one of the anterior surface and the posterior surface includes a first zone extending from the optical axis to a first radial boundary and a second zone extending from the first radial boundary to the edge of the optic. The first zone includes an inner region and an outer region separated by a phase shift feature, the phase shift comprising a ridge extending outwardly from the inner region and the outer region.
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