As an experienced infrared-goggle wearing person, I read about it on the internet and decided to investigate, I must say that it does work. It is a different filter than is used in IR-Photography, the ones used for goggles pass blue light, not only IR. Wearing the goggles is a completely incredible experience, I recommend everyone to spend the small amount of time and $ it takes and make a pair. They do work, and work very well. The only way to describe it is that it looks like a Tim Burton movie. I cannot say enough good things about these goggles, they are really great.