More Blind Mice See

"Led by Robert MacLaren, a professor at the Nuffield Laboratory of Ophthalmology at the University of Oxford in the UK, the team writes about their work in the 3 January online issue of the Proceedings of the National Academy of Sciences," according to Medical News Today. It's not the first time blind mice had their sight restored (see our post), but this is a new development. "The idea of using cell replacement to restore vision in retinitis pigmentosa, an inherited condition where the light-sensing or photoreceptor cells in the retina gradually die leading to progressive blindness, and age-related macular degeneration, where vision in the center of the visual field is lost, is not new. ...Other studies that have tried to regenerate a retina have relied on having a pre-existing outer layer of photoreceptor cells in place at the time of treatment."  Read more.