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After undergoing a groundbreaking "tooth-in-eye" procedure, a man has regained his sight after being blind for more than two decades, CBC reports.Brent Chapman, who lost his vision at age 13, is one of three people who have had the surgery performed by Dr. Greg Moloney and his team in Vancouver.The process, also known as osteo-odonto-keratoprosthesis — or OOKP — uses a patient's own tooth to restore sight.Chapman's surgery marks the first time the procedure has been conducted in Canada.Chapman, who has undergone approximately 50 procedures to get his vision back, expressed his joy to CBC, saying, "I feel fantastic. Vision comes back and there's a, it's a whole new world."Developed in the 1960s, the surgery involves two parts and is considered a last resort for individuals with severe corneal blindness. To perform the procedure, the patient's tooth is removed, and a plastic lens is inserted into it. Then, the entire assembly is stitched into the eye socket.The use of a tooth is crucial, as it consists of some of the hardest substances in the human body, making it an ideal casing for the lens. And CBC reports that using a tooth from the patient's own body helps to ensure it won't be rejected. Brent Chapman is now looking forward to cherishing the little moments in life, including spending time with family and traveling. And, he's grateful to his doctor."When Dr. Moloney and I made eye contact, we both just burst into tears, and yeah, I hadn't really made eye contact in 20 years," Chapman said.See more in the video player above.