Reversion Of Tissue To Embryonic State Achieved For The First Time In An Animal

Stem Cells:  Living Adult Tissue Transformed Back Into Embryo State by James Gallagher.  BBC News.  September 11, 2013.

(1)  This new technique could led to ways to _______________.

(2)  However the technique lead to ___________ in mice pointing to issues of _______ in the process.  

(3)  A possible use in ophthalmology could be ____________________