Saved from diabetic blindness – simply by sleeping in an eye mask – Mail on Sunday
New technology could save thousands of Brits facing loss of sight. A mask that shines green light into the eye during sleep could save the sight of thousands of Britons facing blindness. Diabetic retinopathy, one of the main causes of vision loss in people of working age in the UK, occurs when high blood-sugar levels damage the blood vessels in the retina. The condition causes the vessels to swell and leak fluid or close off completely, and sometimes causes abnormal vessels to appear on the surface of the retina.