https://www.techradar.com/news/eye-tracking-for-gamers-seeing-is-believing

Gaming with an eye tracker feels like virtual reality-lite. It’s cheaper, easier to set up, and is already available in some of your favorite games. It offers some of the same features as VR, too: you can swivel the camera by moving your gaze or turning your head, for example.

But can it fundamentally change the way you play? And what’s next for the tech? Tobii is the largest company in the space, so TechRadar tried out its flagship eye tracker – the 4C – and spoke to its head of gaming to find out.