999, "ergonomics" is derived from the the famous statement by Rene Descartes, "Cogito ergo sum" ("I think, therefore I am"). It is the science of making seemingly profound philosophical pronouncements while under the influence of mind-altering substances.

Red spectacles are ergonomic for two reasons:

1) Wearing them simulates being under the influence of a mind-altering substance by making the outer world appear all pinky.

2) One would probably need to be under the influence of a mind-altering substance to wear red spectacles in the first place.

Red spectacles also lend a certain gravitas to any philosophical pronouncements made while wearing them. The general perception is that a person wearing red spectacles doesn't quite have all his oars in the water, and failure to pay due attention to whatever he's spouting could result in bodily harm to the listener.