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U.S. Sen. Al Franken's been nearly unrecognizable lately.

He's shed his trademark glasses -- see photo gallery -- and wandered around with a naked face.

The explanation from Franken: He's had cataracts for the last five or six years and had surgery on his left eye to correct the problem last week.

But the glasses won't work with his half corrected vision.

He now sees better with his left eye than he's ever seen before and will have the right eye fixed next week, he said.

But don't worry spectacle fans, the glasses will return.

"I've worn glasses since I was three…I just like wearing glasses," he said.

Once both eyes are fixed, he plans to don bifocals.