I have discovered a bug with the NVG goggles. It could be amazing timing, but I died a few minutes after learning about this so was unable to test again.
As you will see in the video I am going to share, my friend logs out to temp fix the audio skipping bug we have been getting lately, moments after his character leaves the server, my NVG's shut off. I have to hold L to turn them off which re-enables the personal nightlight, the hold L to turn them back on and they work fine. It's been a constant issue so far in Livonia. A few moments goes by and he spawns back in, and my goggles shut off, needing to be turned off, then back on again.
I asked another friend who was not with us, but well outside 4 km away to log out and back in to check if it was something to do with player vicinity, and our NVG's stayed on when he logged off and on.
As I said, I died shortly after, so was unable to reproduce.