British scientists have become the first in the world to use a pioneering gene therapy to preserve sight in toddlers with the most severe form of childhood blindness. Surgeons injected a corrected DNA into the back of their retina in a technique they hope could be used to prevent other genetic forms of blindness. The rare genetic condition that usually causes blindness in the first few years of life but the youngsters, who are now starting school, can now see shapes, find toys, recognise faces,

Tag-uri: DNA