22 September 2011 Updated at 10:48 ET
UK medics lead Europe's first embryonic stem cell trial
Fergus Walsh
Medical correspondent
Prof James Bainbridge, from Moorfields Eye Hospital, explains the procedure. Footage courtesy of ACT.
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Doctors at Moorfields Eye hospital in London have been given the go-ahead to carry out Europe's first clinical trial using human embryonic stem cells.
link-
http://www.bbc.co.uk/news/health-15017664