A blood test could help diagnose the world's most common cause of blindness – years before symptoms develop.
Age-related macular degeneration patients have much higher levels of the FHR-4 protein, scientists have discovered.
The breakthrough could lead to earlier detection when drugs are more likely to be effective and the development of medications that target it.
Ophthalmologists at the University of Manchester say the discovery could lead to a blood test to predict who will get the vision-robbing condition.
#Also covered in the Mirror, i, and Sun#