Radical new gene therapy restores sight to patients with rare eye condition - BBC News
Scientists have been using a new form of gene therapy to treat a rare inherited eye condition which eventually causes severe tunnel vision.
Scientists have been using the new treatment on patients to try to halt further loss of sight. And they've been astonished to find that it has actually improved their vision.
Sophie Raworth presents BBC News at Ten reporting by medical editor Fergus Walsh.
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