All VR has a sweet spot with a distortion profile that slightly shifts as your eye looks around, which moves your pupil a bit in space, so it is a bit different

All VR has a sweet spot with a distortion profile that slightly shifts as your eye looks around, which moves your pupil a bit in space, so it is a bit different than normal vision, unless using eye tracking to correct the shift in distortion. Something like that could have had an effect, rather than mental well-being.