[MikelTackNailer]

They closely resemble the ABCs I was issued in the military:

Army Birth Control glasses.

Seriously though, a heads-up display is great on aircraft and would make Tesla vehicles far more desirable if implemented, but in one's personal visual field is information overload leading to accidents and fatalities.

[tumblindice]

Guaranteed to protect GIs from VD.

[SunkenCiv]

I’m sure Drew Carey will be an early adopter of these, he picked up his first pair in the USMC.