US 12,279,820 B2
Medical devices, systems, and methods for performing eye exams and eye tracking
Alexander C. Walsh, Los Angeles, CA (US); Paul G. Updike, Cerritos, CA (US); and Richard Castro, Santa Monica, CA (US)
Assigned to Envision Diagnostics, Inc., El Segundo, CA (US)
Filed by Envision Diagnostics, Inc., El Segundo, CA (US)
Filed on Jul. 21, 2023, as Appl. No. 18/356,663.
Application 18/356,663 is a continuation of application No. 15/583,780, filed on May 1, 2017, granted, now 11,717,153.
Claims priority of provisional application 62/333,112, filed on May 6, 2016.
Claims priority of provisional application 62/330,059, filed on Apr. 30, 2016.
Prior Publication US 2024/0197170 A1, Jun. 20, 2024
Int. Cl. A61B 3/10 (2006.01); A61B 3/113 (2006.01); A61B 3/12 (2006.01); A61B 3/14 (2006.01); A61B 3/15 (2006.01)
CPC A61B 3/102 (2013.01) [A61B 3/10 (2013.01); A61B 3/1005 (2013.01); A61B 3/113 (2013.01); A61B 3/14 (2013.01); A61B 3/154 (2013.01); A61B 3/1216 (2013.01); A61B 3/152 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for eye tracking, the method comprising:
performing at least one OCT B-scan including at least a portion of an iris and at least a portion of a pupil of an eye;
determining locations of at least two pupillary border points between said iris and said pupil of the eye based on the at least one OCT B-scan; and
calculating a pupillary midpoint of said pupil based at least in part on the locations of the at least two pupillary border points.