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flag Brent Chapman regained his sight after 20 years through a unique "tooth-in-eye" surgery.

flag A Canadian man, Brent Chapman, regained his vision after 20 years through a unique surgery called "tooth-in-eye" or osteo-odonto-keratoprothesis. flag Chapman lost his sight at 13 due to Stevens-Johnson syndrome. flag The procedure involves using a patient's tooth with a plastic lens, attached to the eye socket, held by cheek flesh. flag After multiple unsuccessful surgeries, this innovative method provided Chapman lasting vision.

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