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:
Dec. 16, 2014
Filed:
Feb. 15, 2012
Applicant:
Manabu Wada, Kawasaki, JP;
Inventor:
Manabu Wada, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 3/107 (2006.01); A61B 3/10 (2006.01); A61B 3/16 (2006.01);
U.S. Cl.
CPC ...
A61B 3/165 (2013.01); A61B 3/107 (2013.01); A61B 3/1005 (2013.01);
Abstract
An ophthalmologic apparatus images a cross-section of the cornea of the eye to be examined based on return light from the eye illuminated with measurement light, measures a corneal thickness from a cornea cross-sectional image of the imaged eye, and corrects the corneal thickness based on the position of the cornea cross-sectional image on an imaging plane.