Key points from article :
Major step towards curing age-related macular degeneration.
Human embryo cells were grown into a patch and inserted into the back of the eye.
The living patch is only one layer of cells thick and 6mm x 4mm area.
Stem cell patch repairs failed retinal pigment epithelium.;
AMD is the most common form of blindness in the UK.
Two patients took part in trial at Moorfields Eye Hospital in London.
The study was published in the Nature Biotechnology journal.
