Injections restore sight in blind mice as cats picket laboratory

Everyone's favorite nursery rhyme might be in need of a rewrite. Scientists at the University of Oxford have managed to restore the sight of mice unable to distinguish light and dark by injecting cells that serve as building blocks to create a retina from scratch. This could be a precursor to techniques that could be used to aid humans suffering from vision loss, though Professor Pete Coffee from a rival London institute cautioned that the quality of the mice's vision remains, uh, unclear. "Can they tell the difference between a nasty animal and something to eat?" he wondered. Hmm. Probably at least as well as they can now, doc. [Source]

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