Computer glasses protect our eyes from harmful blue light by filtering out blue light waves. Or do they absorb them? And are we talking 100% here, or do these spectacles eventually block a lot less light than we think?

 

blue light blocking glasses manufacturers’s Blue light glasses, are all the rage. But hardly anyone knows whether blue light glasses work – or whether the eyewear industry is fooling us.

 

Time for an analysis of the facts. Don't you think?

 

1. What are blue light glasses, and how are they supposed to work?

Let's first take a look at the promise of blue light glasses manufacturers.

 

The idea behind the concept of blue light filter glasses is to protect from the „harmful“ rays of digital screens, such as computers, mobile phones, tablets and TVs.

 

They're marketed as special glasses that help us work, sleep and see better. They are meant to do that in three ways:

 

kids optical glasses help the body maintain its natural biorhythm after sunset, counteracting the blue light we receive from artificial sources.

They protect against UV exposure, which can cause macular degeneration, cataracts, skin cancer and other unpleasant effects.

And they improve visual acuity by reducing glare and light intensity.