We all take our sight for granted. But for some their perfect vision can slowly start to ebb away. Macular degeneration is one illness where this occurs with central vision being impaired as can be seen in the picture:
However, it seems that for two californian women they have had this cured, on the first round of stem cell treatment.
The use of embryonic stem cells has given many hope in this awfully debilitating condition. What will stem cells be used for next?