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US Patent 11754858 Multifocal ophthalmic lens and related methods

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Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11754858
Patent Inventor Names
Martin Webber
Date of Patent
September 12, 2023
Patent Application Number
17228752
Date Filed
April 13, 2021
Patent Citations
‌
US Patent 10416476 Contact lens product
‌
US Patent 10429670 Apparatus and methods for controlling axial growth with an ocular lens
‌
US Patent 7766478 Contact lens and method for prevention of myopia progression
‌
US Patent 7832859 Contact lens and method
‌
US Patent 8240847 Means for controlling the progression of myopia
‌
US Patent 8950860 Method and system for retarding the progression of myopia
‌
US Patent 9594259 Mask lens design and method for preventing and/or slowing myopia progression
‌
US Patent 9829722 Method and system for retarding the progression of myopia
...
Patent Primary Examiner
‌
Tuyen Tra
CPC Code
‌
G02C 2202/20
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G02C 2202/24
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G02C 7/06
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G02C 7/042
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G02C 7/02
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G02C 7/044
‌
G02C 7/04
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G02C 7/041
...

A multifocal ophthalmic lens has a surface that varies across at least a portion of the lens to form a surface power map. The surface power map comprises a spiral, with a power that varies substantially periodically both radially outwards from and angularly about an optical axis of the lens. A period of the radial variation is greater than 100 microns and a period of the angular variation is greater than 6 degrees. Methods of making and using the multifocal ophthalmic lens are also described.

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