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.
Patent No.:
Date of Patent:
Mar. 30, 2021
Filed:
Feb. 20, 2017
Osaka University, Osaka, JP;
Topcon Corporation, Tokyo, JP;
Takashi Fujikado, Osaka, JP;
Masakazu Hirota, Osaka, JP;
Kohji Nishida, Osaka, JP;
Makoto Saika, Tokyo, JP;
Tatsuo Yamaguchi, Tokyo, JP;
Suguru Miyagawa, Tokyo, JP;
TOPCON CORPORATION, Tokyo, JP;
OSAKA UNIVERSITY, Osaka, JP;
Abstract
An eye-fatigue examining device and an eye-fatigue examining method capable of examining eye fatigue of a subject's eye regardless of an age of a patient are provided. The eye-fatigue examining device includes: a light quantity difference adjusting unit that increases a light quantity difference between lights respectively incident on right and left subject's eyes; a gaze direction detecting unit that detects gaze directions of the respective subject's eyes while the light quantity difference adjusting unit increases the light quantity difference; and a light quantity difference deciding unit that decides a specific light quantity difference at which a change in the gaze directions due to the increase in the light quantity difference occurs, based on the detection result of the gaze direction detecting unit.