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:
Feb. 26, 2019
Filed:
Oct. 28, 2013
Applicant:
Alcon Pharmaceuticals Ltd., Fribourg, CH;
Inventors:
Horia Grecu, Berlin, DE;
Ralf Weise, Berlin, DE;
Assignee:
Alcon Pharmaceuticals, Ltd., Fribourg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 18/18 (2006.01); A61B 3/10 (2006.01); A61B 3/113 (2006.01); G06K 9/00 (2006.01); A61F 9/008 (2006.01);
U.S. Cl.
CPC ...
A61B 3/113 (2013.01); A61F 9/00804 (2013.01); G06K 9/00597 (2013.01); A61F 9/008 (2013.01); A61F 2009/00846 (2013.01); A61F 2009/00872 (2013.01);
Abstract
Embodiments of the invention refer to a system for registering and tracking the position of a person's eye, in particular for refractive ophthalmic surgery. According to embodiments, the system is structured such that eye images containing at least the iris and the pupil of the eye are made at a first wavelength of light and that eye images containing scleral blood vessels are made at a different second wavelength of light. The invention furthermore refers to a corresponding method for registering and tracking the position of a person's eye.