Stem cell stories are like buses- you wait for them for ages and then several come along at the same time. There now is a report (based on a very small sample of 2 patients) reporting significant improvements in the vision of people with age-related macular degeneration following the creation of a 'patch' on the retina with stem cells (https://www.theguardian.com/society/2018/mar/19/doctors-hope-for-blindness-cure-after-restoring-patients-sight). People have been suggesting that stem cells can be used to counter such blindness (where the yellow spot or fovea centralis essentially dies) for a number of years but one has to be careful, as there is money to be made from such treatment (elderly patients with disposable income) and not everyone is in a position to use the technology effectively.
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