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:
Jan. 17, 2012
Filed:
May. 15, 2008
Kazuhiko Yumikake, Tokyo, JP;
Hiroaki Okada, Tokyo, JP;
Tsutomu Kikawa, Tokyo, JP;
Kabushiki Kaisha Topcon, Tokyo, JP;
Abstract
A fundus oculi observation devicesplits a low-coherence light Linto a signal light LS and a reference light LR, generates an interference light LC from the signal light LS propagated through an eye E and the reference light LR propagated through a reference mirrorto detect the interference light LC and, based on the result of the detection, forms a tomographic image of a fundus oculi Ef. The deviceincludes a scan unitconfigured to scan with the signal light LS, and an LCD and optical system that present a fixation target. The deviceacquires an image of the fundus oculi Ef in a state that scan a fixation target is presented while scanning with the signal light LS, and based on the image, determines whether fixation is proper or not.