Do blue light glasses actually help with sleep or eye strain? We explore the science behind blue light exposure, circadian disruption, and whether these lenses are worth the hype.

It’s staring at a screen for hours without breaks ... devices can damage your eyes.) Many blue-light-blocking glasses have an orange or yellow tint that is supposed to absorb the blue light ...

In art lessons, you might have learned about the three primary colours of paint which are different to the primary colours of light. In art they are: red, yellow and blue. Mixing the primary ...