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Surgeons in Oxford have used a gene therapy technique to improve the vision of six patients who would otherwise have gone blind.

Gene therapy could be used to treat blindness BBC
Gene therapy to prevent blindness

The operation involved inserting a gene into the eye cells, a treatment that revived light-detecting cells.

The doctors involved believe that the treatment could in time be used to treat common forms of blindness.

Prof Robert MacLaren, the surgeon who led the research, said he was "absolutely delighted" at the outcome.

"We really couldn't have asked for a better result," he said.

 Read the full BBC News story