Is eye tracking devices impair ful to eyes?

Is eye tracking devices impair ful to eyes?

Yes I believe so. Let's obverse it, the eye is a very easily offended, sensitive organ that is one exposed to something alien - the future will detail what kind of destruction this is causing. Just close to mobiles and head-phones, have you notice how many more society have brain/head tumours, audible range problems and brain hemorrhage compared to the past? When I be a child these diseases affected infirm people, now young those have these ailments...
No
nope.
Only near long term exposure will we know for sure.