Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
En-Ping Lin
Wei-Yuan Chen
Chun-Hung Teng
Date of Patent
October 10, 2023
Patent Application Number
17019425
Date Filed
September 14, 2020
Patent Citations
Patent Primary Examiner
Patent abstract
A contact lens product includes a multifocal contact lens and a buffer solution. The multifocal contact lens is immersed in the buffer solution. The multifocal contact lens includes a central region and at least one annular region. The annular region concentrically surrounds the central region, and a diopter of the annular region is different from a diopter of the central region. The multifocal contact lens is made of silicone hydrogel or hydrogel. The annular region closest to a periphery of the multifocal contact lens is a first annular region.
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