US 11,925,412 B2
Gaze tracking apparatus and systems
Maria Chiara Monti, London (GB)
Assigned to Sony Interactive Entertainment Inc., Tokyo (JP)
Filed by Sony Interactive Entertainment Inc., Tokyo (JP)
Filed on May 28, 2021, as Appl. No. 17/333,350.
Claims priority of application No. 2008417 (GB), filed on Jun. 4, 2020.
Prior Publication US 2021/0378504 A1, Dec. 9, 2021
Int. Cl. A61B 3/10 (2006.01); A61B 3/00 (2006.01); A61B 3/02 (2006.01); A61B 3/024 (2006.01); A61B 3/113 (2006.01); G02B 27/00 (2006.01); G02B 27/01 (2006.01)
CPC A61B 3/0091 (2013.01) [A61B 3/0033 (2013.01); A61B 3/0041 (2013.01); A61B 3/113 (2013.01); G02B 27/0093 (2013.01); G02B 27/0101 (2013.01); G02B 27/0172 (2013.01); G02B 2027/0123 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A head-mountable display (HMD) system comprising:
at least one detector to detect a gaze direction of an eye of a user wearing an HMD;
receiving circuitry to receive a user input from the user indicating a selection by the user of a type of eye condition for the eye of the user associated with at least partial vision loss for a region of vision;
a display unit to display one or more images to the user; and
a processor that operates to generate the one or more images for display to the user by the display unit in dependence upon the type of eye condition and an output of the at least one detector indicative of the detected gaze direction of the eye, wherein:
the display unit operates to display one or more calibration images in dependence upon the type of eye condition, each calibration image comprising one or more target objects,
the display unit operates to display one or more first calibration images in response to the user input indicating a selection by the user of a type of eye condition associated with vision loss for a central region of vision, and
the display unit operates to display one or more second calibration images in response to the user input indicating a selection by the user of a type eye condition associated with vision loss for a peripheral region of vision.