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Gene therapy shows long term benefit for treating rare blindness
A virus is prepared at the John Radcliffe Hospital, Oxford in April 2015 as part of a University of Oxford research study which involves inject a virus into the eye to deliver billions of healthy genes for choroideremia sufferers

Pioneering gene therapy has restored some vision to John Radcliffe Hospital patients with a rare form of genetic blindness for as long as four years, raising hopes it could be used to cure common causes of vision loss, new University of Oxford research published today shows.

A technique which involves injecting a virus into the eye to deliver billions of healthy genes to replace a key missing gene for choroideremia sufferers has provided sustained improvement in vision for up four years for some patients.

Read more (Oxford University Hospitals NHS Foundation Trust website)