The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 20, 2018

Filed:

Dec. 01, 2016
Applicant:

Tsubota Laboratory, Inc., Tokyo, JP;

Inventors:

Kazuo Tsubota, Funabashi, JP;

Kazuno Negishi, Tokyo, JP;

Hidemasa Torii, Yokohama, JP;

Toshihide Kurihara, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/14 (2006.01); G02C 3/00 (2006.01); G02C 7/02 (2006.01); G02C 7/10 (2006.01); F21V 9/00 (2018.01); G02C 11/04 (2006.01);
U.S. Cl.
CPC ...
G02C 7/104 (2013.01); F21V 9/00 (2013.01); G02C 11/04 (2013.01); G02C 2202/24 (2013.01);
Abstract

The purpose of the present invention is to provide a myopia prevention device. A myopia prevention device of the present invention comprises a light transmission part selected from a group consisting of an eyesight correcting tool, an eye protection tool, a face protection tool, a sunshade, a display device, a window, a wall, a light source covering, and a coating material. The light transmission part of the device transmits light having a wavelength within a range of 350 nm to 400 nm inclusive and thus suppresses the occurrence and progression of myopia. Further, a myopia prevention device comprises a light emission part selected from a group consisting of lighting equipment, a display device, and a light irradiation device. The light emission part of the device emits light having a wavelength within a range of 350 nm to 400 nm inclusive and thus suppresses the occurrence and progression of myopia.


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