[mkaziz]

The Kickstarter has a postscript that says not to wear them while driving.

[crooked-v]

A bigger notice mentioning why you shouldn't would be better, though.

[jshevek]

Do you mean "why" as in the science mentioned above, or some other clarification or the nature of the harm? What would you have it say?

I ask because it seems to me that the simplest possible warnings are the most effective for the average consumer.

[crooked-v]

"____ aren't intended for use while driving, because they can make road glare much more prominent than regular sunglasses."