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.
Legerton, Jerome, A.
Marsh, Jay, Pea.
Application Number:
JP2021199853A
Publication Date:
January 18, 2023
Filing Date:
December 09, 2021
Export Citation:
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
Nao Oda
Akiyo Iwahori
Kamoto Takahashi