Glaucoma treatment hope after scientists reverse ageing in mice cells, ‘milestone’ finding with applications for dementia and other age-related diseases

• Human embryo cells can repair and regenerate themselves, but lose that ability as we age; treatment turns back the clock in cells, allowing them to fix damage
• The procedure could be tried on glaucoma patients within two years, and a neuroscientist says a decades-long search for tools to repair the aged brain is over