You can see that in this Slow Mo Guys YouTube Short showing the flashing of the invisible-to-the-human-eye IR illuminators of Apple’s face computer, both on the front and around the lenses’ edges.
At 1,000fps, the Guys show the Vision Pro’s very fancy micro-OLED displays alternating between images and black frames, with a ring of IR lights popping on during the dark moments to help track where your eyes are looking.











