I had never heard of EnChroma until I bumped into YouTube videos recording reactions of people seeing true color for the first time in their life. Quite an expe

I had never heard of EnChroma until I bumped into YouTube videos recording reactions of people seeing true color for the first time in their life. Quite an experience, I gather. Here is one example (via invidio.us): https://invidio.us/watch?v=XSD7-TgUmUY https://invidio.us/watch?v=XSD7-TgUmUY Edit: Just read in this thread that they may be viral marketing, and the glasses are not as special as they are expensive.