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Title:
CONTACT LENS AND METHOD FOR MANUFACTURING CONTACT LENS
Document Type and Number:
WIPO Patent Application WO/2015/001584
Kind Code:
A1
Abstract:
Provided are a contact lens which is provided with an edge part having a novel structure, and a novel method for manufacturing a contact lens, as a novel technical concept with which, for a contact lens having a non-circular outer peripheral edge in a front view, an edge part having a smooth surface in the circumferential direction can be formed with high precision. A contact lense (10, 12) has an outer peripheral edge with a non-circular shape in the front view. An edge part (28) that connects a lens front surface (20) and a lens rear surface (22) at the outer peripheral part of the lens has a machined surface to which a flat shape has been given by a turning process around the center axis (31) of the lense.

Inventors:
YAMASHITA, Keiji (1-15, TECHNOPLAZA, Kakamigahara-sh, Gifu 09, 〒5090109, JP)
NORITAKE, Miyuki (1-15, TECHNOPLAZA, Kakamigahara-sh, Gifu 09, 〒5090109, JP)
TOMIMOTO, Masahiro (1-15, TECHNOPLAZA, Kakamigahara-sh, Gifu 09, 〒5090109, JP)
Application Number:
JP2013/004110
Publication Date:
January 08, 2015
Filing Date:
July 02, 2013
Export Citation:
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Assignee:
MENICON CO., LTD. (3-21-19, Aoi Naka-ku, Nagoya-sh, Aichi 06, 〒4600006, JP)
International Classes:
G02C7/04; B23B5/36
Domestic Patent References:
WO2005040896A1
Foreign References:
JPS4813048U
JP2010516873A
JPH07195558A
Attorney, Agent or Firm:
KASAI, Yoshitaka et al. (KASAI & NAKANE INTERNATIONAL PATENT FIRM, 1-681 Sakurabashi, Tsu-sh, Mie 03, 〒5140003, JP)
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