Childhood blindness therapy shows ‘very promising’ results. At three months after the first injection, half of the patients showed improvements in visual acuity, measured by the ability to either read letters, or distinguish direction of black and white bars.

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Childhood blindness therapy shows ‘very promising’ results. At three months after the first injection, half of the patients showed improvements in visual acuity, measured by the ability to either read letters, or distinguish direction of black and white bars.