I've used these and think they're awesome. Even as a non-color blind person, they make colors a lot more vibrant. I also got to see my colorblind friend witnes

I've used these and think they're awesome. Even as a non-color blind person, they make colors a lot more vibrant. I also got to see my colorblind friend witness his first rainbow, which was an incredibly cool moment. We had to stop the car and pull over just to look at it.. great technology.