Comment by bogtog

3 years ago

> The eye tracking technology involves shining infrared light at your eyes at all times - not an expert but I can't help but wonder if that is going to have long term effects.

For what it's worth, infrared beams and cameras is standard for psychology research using eye-tracking. Psychological studies are only 30-minutes long, but I've never heard anybody mention risks of this, and IRBs do not require mentioning anything like that in consent forms.

The presence tracking technology in Face ID iPhones uses infrared beams (not sure if it's the same as what's in the Vision Pro), and some people's eyes are in fact sensitive to this, resulting in eyestrain when used over a long period of time.

You can turn this feature off to get standard idle lock screen timeout behavior, and still continue to use Face ID; I don't know if there's a workaround on the Vision Pro)