That patent that they finally got from the 1970s has led to all kinds of products, including ones that treat schizophrenia, heart disease, and macular degeneration, which causes blindness.
Cells derived from a donated early embryo were implanted into the retainer of the 60 year-old woman with age related macular degeneration, the most common cause of blindness in the UK.
Ophthalmologists may be the first to consider TSD by finding a " cherry red spot" in the macula of the eye, which results from GM2 buildup in the retinal cells around the central macular area.