Researchers at Cardiff University funded by Fight for Sight, in partnership with Glaucoma UK and Health and Care Research Wales, are hoping to use bone marrow stem cells to prevent sight loss from glaucoma, without a transplant. There are 500,000 people in the UK with glaucoma, and it is the second leading cause of blindness in the world. The retina is a thin layer of tissue at the back of the eye. It is responsible for converting light into neural…