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:
Feb. 04, 2025

Filed:

Jun. 16, 2023
Applicant:

Alcon Inc., Fribourg, CH;

Inventors:

Sascha Birkner, Berlin, DE;

Martin Gründig, Rangsdorf, DE;

Assignee:

Alcon Inc., Fribourg, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 3/113 (2006.01); A61B 3/00 (2006.01); A61B 3/10 (2006.01); A61B 3/12 (2006.01); A61B 3/14 (2006.01); A61B 3/18 (2006.01); G06T 7/00 (2017.01); G06T 7/246 (2017.01); G06T 7/73 (2017.01); G06V 40/19 (2022.01);
U.S. Cl.
CPC ...
A61B 3/113 (2013.01); A61B 3/0025 (2013.01); A61B 3/102 (2013.01); A61B 3/1225 (2013.01); A61B 3/14 (2013.01); A61B 3/18 (2013.01); G06T 7/0016 (2013.01); G06T 7/248 (2017.01); G06T 7/74 (2017.01); G06V 40/19 (2022.01); G06T 2207/10101 (2013.01); G06T 2207/30041 (2013.01);
Abstract

Systems and methods for tracking eye movement during a diagnostic procedure include an eye tracker capturing images of an eye, and a control processor configured to detect an eye position and orientation in each of the images, determine an eye fixation position and orientation relative to an optical axis of the eye tracker, estimate eye fixation parameters based at least in part on the determined eye fixation position and orientation, and track the eye position and orientation by analyzing the images to determine the eye position and orientation relative to the eye fixation parameters. The eye fixation parameters may comprise a reference position and orientation of the eye when fixated. A histogram is constructed of detected eye positions and orientations and analyzed to determine an eye fixation position and orientation.


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