I SPEND MORE TIME in front of my laptop screen than most people. A couple of years ago, I attended a Bio-Hacking show in London’s Olympia, where I first saw Blue Light glasses. I was never aware of the effect blue light – mainly from digital screens – have on your wellbeing until someone told me about it at the Show. It was then that I became aware of the number of attendees wearing the glasses. Two years later, they have become more popular than ever due to claims that they can protect your eyes against potential damage — but how effective are they at keeping your eyes healthy?
What is blue light?
Blue light has a short wavelength, which makes it very easy for it to penetrate the eyes. It means that almost all visible blue light rays can pass through the cornea and lens to the retina. While there is little research to support this, some experts have suggested that too much exposure to blue light can damage the light-sensitive cells in the retina.
What are blue light glasses?
Blue light glasses contain lenses specifically designed to reduce the amount of blue light that reaches the eye. The lenses filter blue light rays to help prevent them from entering your eye. They have a slight yellow tint – to counterbalance the blue light.
Do blue light glasses work?
There is no current research to suggest that they can improve or protect the health of your eyes. The College of Optometrists says, “The best scientific evidence currently available does not support the use of blue-blocking spectacle lenses.”
Although proof is lacking – I take scientific studies with a pinch of salt. I have been wearing the glasses for the past few weeks, and I have experienced improved sleep quality; and we all know that sleep is one of the pillars of optimal health.