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"A Boston-based scientific collaborative, led by Harvard Stem Cell Institute (HSCI) researchers, has discovered a way to collect the best cell type for regenerating a damaged cornea\u2014the clear membrane that covers the pupil and directs light into the back of the eye. The investigators report in the journal Nature that purified human stem cells can be used to improve long-term vision in mice. The team is now pursuing FDA-approval for the technique before moving on to patient clinical trials."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2014-07-scientists-screen-stem-cells-corneal.html>