Revo sunglasses are pretty high end shades. Heady stuff for the luxury set. Revo LMS (Light Management system) utilizes a coating technology developed by NASA to fine-tune light frequencies to give you the best possible vision. The finished lens works like a graphic equalizer to selectively transmit light that is most beneficial to vision while potentially harmful irritating light is minimized. Revo® sunglasses are a brand that was developed by an optical engineer. This was not just any optical expert, but one who was working on a NASA research project as part of his first occupation.