British construction worker Martin Jones, 42, who lost one eye and was blinded in the other in a 1997 explosion, regained his sight this year as a result of surgery in which part of his tooth was implanted in the eye. Dr. Christopher Liu of the Sussex Eye Clinic used a piece of tooth because a "living" "anchor" was necessary to hold a patch of Jones' skin underneath his eyelid, to generate blood supply while a new lens formed. When the lens was healthy enough, Dr. Liu made a hole in the cornea for light to pass, and Jones feasted his eye on his wife, whom he had married four years ago, sight unseen.

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