Scientists Use Human Stem Cells to Restore a Monkey’s Vision
Scientists successfully used human stem cells to patch a hole in a monkey's retina, restoring the primate's vision. Macular holes, a condition associated with aging, cause vision to blur and decline over time. Current fixes for the condition come at the cost of a loss of peripheral vision as they involve transplanting cells. Using stem cells to repair the problem would introduce new cells, avoiding this issue. More research is needed to determine whether the treatment is suitable for human eyes.