Fascinating! How does the data make it off the lenses? Graphene-scale radios on my eyes sounds like it would have to have side effects.

Color changing like a mood ring?

They go totally opaque until you calm down.

	▲	davoneus 26 minutes ago \| parent [-]
		Joo Janta 200 Super-Chromatic Peril-Sensitive Sungl.... Contacts. They operate on the principle "what you don't know can't hurt you," they turn completely black and opaque at the first sign of trouble, so you can't see anything that might alarm you.