Blurry vision, insomnia and other ways blue light is affecting your health

How blue light is affecting your health.

During the first lockdown, many people spent as much as 40 per cent of their day watching TV and online streaming services. And for many people, work and social lives also played out exclusively on devices, so that’s a lot of screen time. No wonder, then, that our interest in blue light – also known as high-energy visible or HEV light – has soared in the past year, with online searches up 58 per cent.  The data shows we’re unsure of the negative effects on our health and the steps we can take to protect ourselves.

What is blue light?