How do I keep goggles from coming off?
I used to have this problem too. What I did was get a new strap first, one of those bungee cord looking ones. It helped, but didn't stop the problem. I have used with every pair of goggles since then. Next I made sure there was a good seal each time ...
What goggles are the best?
there seems to be plenty of GREAT goggles out on the market. check out the link below to view all goggles that are best for you. the number one goggle is Dragon.
If mirrors need light to work?
night vision goggles use light that we can't see with our eyes and a mirror will reflect infrared light. so yes a mirror definately requires light.