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Patent Searching and Data


Title:
コンタクトレンズ
Document Type and Number:
Japanese Patent JP7208345
Kind Code:
B2
Abstract:
To provide a contact lens having a minimum oxygen transmission rate necessary for maintaining normal corneal physiology for wearing contact lenses.SOLUTION: A contact lens is provided, constructed to limit a water permeability of at least one region of a lens while maintaining at least a minimum oxygen transmission rate. A maximum water permeability and a minimum oxygen transmission rate coefficient are achieved using a single lens material of a predetermined lens thickness or using two or more material layers.SELECTED DRAWING: Figure 1

Inventors:
Myers, William, Yi.
Legerton, Jerome, A.
Marsh, Jay, Pea.
Application Number:
JP2021199853A
Publication Date:
January 18, 2023
Filing Date:
December 09, 2021
Export Citation:
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Assignee:
Inovega, Incorporated
International Classes:
G02C7/04
Domestic Patent References:
JP2008525617A
JP201170207A
JP2003526707A
JP2007144948A
JP111539A
JP2012522111A
Attorney, Agent or Firm:
Ryoichi Takaoka
Nao Oda
Akiyo Iwahori
Kamoto Takahashi