I don't see how these are any different than http://www.fullsource.com/crews-bk314/ Reducing eye strain is a serious issue for safety. Factories have figured this stuff out already.
Those glasses are cheaper, yes, but they look like the amber/yellow tint is really overkill (and a maybe a little uncomfortable, Gunnars are really light) for using them on the computer, Gunnar has just the right amount of tint for me.
Can someone explain to me the use of those glasses? It's all neat and trendy, my I can't get over the thing that yellow color is actually strains your eyes (same as red, same as blue). It's all cool and neat if you use your PC just to observe cloudless sunny sky and then KABOOM, you use these glasses to turn it into healthy green color. But if you are working with spreadsheets, documents, browsing web pages - you'll surely face white color, which will turn yellowish, which will strain your eyesight (not to say that actually looking into monitor doesn't strain your eyesight enough).
But in all seriousness - did someone actually had positive experience with them other than "placebo" and "I want to believe" effects? I mean - at shooting tournaments and paintball I've used yellow tinted filters quite often as they do in fact increase contrast in a pretty significant manner.
But they strain your eyesight pretty hard as well - and that's quite the opposite that these glasses advertise for.
Just because you see white doesn't mean it is white. Blue is one of the worst colors for our eyes, and contributes to majority of eye strain, that's why you wear these it's basically lowering down the blue. Also you can download a program called f.lux that basically does the same thing, just turns down the blue, and you can adjust it to turn down with the sun.
Just a quick response here; the yellowish color actually helps reduce eye strain, not strengthen it. When I'm up late working on a design project and my eyes start to get tired and sore, I put them on and it really does help.
Adding a custom Rx wouldn't be feesible. Price goes up for one, and you can't expect MD to submit an Rx on bulk orders and handle any that aren't correct. Defeats the purpose of MassDrop entirely.