Does eye-tracking work?

Which New Areas of Virtual Reality Will Use Eye-Tracking?

This question originally appeared on Quora, the place to gain and share knowledge, empowering people to learn from others and better understand the world. You can follow Quora on Twitter, Facebook, and Google Plus. Answer by Kynan Eng, research group leader, neuroscience of VR and applications to rehabilitation: I think that most of the first uses of augmented reality and virtual reality eye-tracking will be to improve general AR/VR headset comfort and usability. Why? As a direct input device, eye-tracking is actually fairly frustrating and useless. However, as a general contextual signal indicating possible user intent or attentional focus, it is quite useful. ….[READ]