Title:
CONTACT LENS
Document Type and Number:
Japanese Patent JP2023181558
Kind Code:
A
Abstract:
To provide a contact lens comprising a lens body, and an embedded structure embedded in the lens body.SOLUTION: A lens body includes a cornea part and a sclera part surrounding the cornea part, and the connection boundary between the cornea part and the sclera part has an inner diameter of 11.5 mm to 12.3 mm. A layout boundary separated 3.8 mm to 4.2 mm from the connection boundary is defined on the cornea part. An embedded structure is located outside the layout boundary and has a three-dimensional carrier. The three-dimensional carrier has at least one oxygen permeable channel formed, and the oxygen permeable channel has a central angle of 360 degrees formed. Along a top-down direction, 70% or less of an annular layout area between the layout boundary and the connection boundary is blocked by the embedded structure.SELECTED DRAWING: Figure 2
Inventors:
YANG TE-SHENG
CHANG HAN-YI
CHANG HAN YI
CHIANG YU-YEN
CHANG HAN-YI
CHANG HAN YI
CHIANG YU-YEN
Application Number:
JP2023085644A
Publication Date:
December 22, 2023
Filing Date:
May 24, 2023
Export Citation:
Assignee:
PEGAVISION CORP
International Classes:
G02C7/04; G02C11/00
Attorney, Agent or Firm:
Yasuhiko Murayama
Shinya Mihiro
Tatsuhiko Abe
Shinya Mihiro
Tatsuhiko Abe