Thomas Ramey Watson

Stem cells restored sight to 82 people blinded by chemical or heat burns

Of the 107 eye patients treated, some as long as a decade ago, the successful cases had sight restored to a level up to 0.9 on a visual acuity scale, in which 1 represents perfect vision, reports Graziella Pellegrini at the University of Modena in Italy (The New England Journal of Medicine (DOI: 10.1056/nejmoa0905955).

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