https://petapixel.com/2024/04/01/how-apple-vision-pros-infrared-eye-tracking-technology-works/
How Apple Vision Pro's Infrared Eye-Tracking Technology Works | PetaPixel
Apr 1, 2024 - The Apple Vision Pro uses infrared illuminators and cameras to accurately track the user's eyes. Here's how they look in slow-motion.
apple vision proinfrared eyetracking technology