US 12,251,220 B2
Augmented and virtual reality eyewear, systems, and methods for delivering polarized light and determining glucose levels
Nastasja U. Robaina, Coconut Grove, FL (US); Nicole Elizabeth Samec, Fort Lauderdale, FL (US); and Mark Baerenrodt, Millbrae, CA (US)
Assigned to MAGIC LEAP, INC., Plantation, FL (US)
Filed by Magic Leap, Inc., Plantation, FL (US)
Filed on Dec. 14, 2022, as Appl. No. 18/081,510.
Application 18/081,510 is a continuation of application No. 15/807,486, filed on Nov. 8, 2017, granted, now 11,559,228.
Claims priority of provisional application 62/433,756, filed on Dec. 13, 2016.
Prior Publication US 2023/0116241 A1, Apr. 13, 2023
Int. Cl. A61B 5/1455 (2006.01); A61B 5/00 (2006.01); A61B 5/0205 (2006.01); A61B 5/145 (2006.01); G06T 19/00 (2011.01); A61B 5/024 (2006.01); A61B 5/08 (2006.01)
CPC A61B 5/14558 (2013.01) [A61B 5/0205 (2013.01); A61B 5/02055 (2013.01); A61B 5/145 (2013.01); A61B 5/14532 (2013.01); A61B 5/1455 (2013.01); A61B 5/4266 (2013.01); A61B 5/486 (2013.01); A61B 5/6803 (2013.01); G06T 19/006 (2013.01); A61B 5/024 (2013.01); A61B 5/0816 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A user-wearable device comprising: a frame configured to mount on a user;
a display attached to the frame, the display configured to direct virtual images to an eye of the user;
a light source configured to provide light to the eye of the user;
an eye tracking sensor configured to track a position of the eye of the user;
a light analyzer configured to analyze the light reflected from the eye of the user;
one or more environmental sensors attached to the frame, the one or more environmental sensors configured to sense information relating to the user or environment; and
processing electronics in communication with the eye-tracking sensor, the light analyzer and the one or more sensors, the processing electronics configured to:
determine, based on the tracking of the eye tracking sensor, when the light from the light source is transmitted to a target area of the eye and when the light from the light source did not transmit to the target area of the eye;
determine a glucose level of the user based at least in part on the light reflected from the eye of the user when the light from the light source is transmitted to the target area of the eye and not determine the glucose level of the user when the light from the light source does not transmit to the target area of the eye;
receive from the one or more sensors the information relating to the user or the environment; and
store and access the received information.