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    Meet the doctor training elite athletes' eyes

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Meet the doctor training elite athletes' eyes

Dr. Sherylle Calder, sport scientist and performance coach for the RFU, talks to CNN about Eyegym, a training program for athletes' eyes.

Meet the doctor training elite athletes' eyes

Dr. Sherylle Calder, sport scientist and performance coach for the RFU, talks to CNN about Eyegym, a training program for athletes' eyes.