Finally! A reason to stare, unblinking, directly into the sun...
To power your gadgets, of course. The solar dyed sunglasses would also make a great addition to the costume of any infinity-themed super hero or villain.
Solar Powered Sun Glasses [Yanko]

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These would be the perfect way to power a shirt with LEDs that spell out "I'm not a douche, I promise!"
Although he wouldn't need them as a power source, these shades seem an obvious fashion choice for Doc Ock.
Is this a scene from The Matrix IV?
hmm... i'm thinking i'm not taking fashion advice from someone named "pork musket." these could definitely positively accessorize some of the outfits i have; too bad you can't buy them.
@4 I could see them working on a lady. I mean, they're no worse than the other ridiculous huge sunglasses that have been popular recently. But not so much on a guy.
The PBS Kids mascot "Captain Infinity" comes to mind.
(I have a grade school sibling)