Health Update: Shades that warn of dangerous rays

Click to follow
Indy Lifestyle Online
'SMART' sunglasses that warn wearers when they exceed the recommended exposures to potentially dangerous ultraviolet rays are being developed by a Californian company, Reliant Technologies. The frames of the glasses contain photosensors and a microprocessor which change the colour of the spectacle to orange or make the lens flicker if 'safe' levels are exceeded, a report in New Scientist says.