"People are saying this stuff [stem-cell therapies] is decades away and with this we're saying, 'No, we've shown you can do this sooner, with large numbers of cells that are reliable and look to clinical trials,' " said study leader Robert Lanza, who is scientific director at the U.S. biotech firm Advanced Cell Technology. "We rescued the visual function in these rats, rats that would have otherwise gone blind."
Stem cells help rats retain their vision
