Brent Chapman can see again after doctors pulled out one of his teeth, flattened it, drilled a hole in it, placed a lens inside and implanted the tooth in one of his eyes.

It seems bizarre, but the complex operation — informally known as tooth-in-eye surgery — can help restore vision in patients with the most severe forms of corneal blindness.

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“It kind of sounded a little science fictiony. I was like, ‘Who thought of this?’ Like this is so crazy,” Chapman, 34, who lives in North Vancouver, British Columbia, tells TODAY.com about his first impression of the concept.

“Usually, the reaction is shock and surprise and frank disbelief that it even exists,” says Dr. Greg Moloney, his eye surgeon and an ophthalmologist at

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