My husband to be has only 7 degrees of vision in his left eye and is completely blind in the right.  How encouraging is stem cell transplantation therapy in possibly ever increasing his vision and possible restoring the retinal ganglion nerve cells?  He has had glaucoma and this degree of vision loss for around 20 years and he is only 49 years old.  We found a website called Stem Cells for Hope that has a medical evaluation form to fill out to be considered for stem cell therapy.  The closest clinic is in Mexico.  Are there any trials or clinics that actually do stem cell therapy for possibly restoring sight?