We officially have 3-D glasses so why wouldn't glow in the dark shades exist in this Universe as well. Thanks to Nooka we all can offically look 'cool' wearing sunglasses at night due to the creation of their latest producct Nooka Mercury. During the day this pair of shades are blue until the sun goes down and the real fun begins. Don't jump too soon becauuse the lenses aren't anything special. They're the same as regular sunglasses meaning they don't make it easier for you to see through them at night. But if going to raves is your thing, these may be the pefect accessory for you. I can tell you one thing that they are great for...using them as a light to find things in your purse. I'm starting to enjoy the idea of glow in the dark glasses after all. Teenagers and young adults will catch on the Nooka Mercury shades> They'll be great to wear on Halloween especially if you don't want to purchase an entire outfit.