The short-wave, blue light emanating from electronic screens flickers quickly and has the ability illuminate for long periods of time. A large portion of people these days spend all day and night either staring at a computer screen or glued to their phones. So, what's the problem? It's not natural blue light, it's artificial blue light.Īrtificial blue light is light that's admitted from electronic devices like computers, tablets, and phones. It gives us energy and boosts our mood during the day, and helps our bodies know when it's time to go to sleep at night. So, the sky is blue because red, orange, yellow, green, violet, and indigo are absorbed by the molecules in the atmosphere, while the color blue (or blue light) is reflected back to our eyes.īlue light is actually important to our natural sleep cycle.
An object exposed to white light absorbs all of the wavelengths (or colors of the rainbow) but the one you see. White light compromises various wavelengths that make up the visible spectrum (think: Roy G. This is how blue light works: The sun admits light known as white light. The sun admits natural blue light - it's always been this way, so why all of a sudden are people experiencing eye strain, headaches, and fatigue from it? As of recent, we've been led to believe that blue light is evil.
Thankfully, there are products like specialized light bulbs and screen protectors designed to reduce blue light exposure and help alleviate the symptoms associated with this type of light.īlue light is a tricky thing to understand.This is thought to be a factor contributing to eye strain, headaches, and fatigue. Our eyes aren't naturally built for prolonged direct exposure to blue light.Blue light is emitted naturally by the sun and artificially by electronic devices we use every day like computers and smartphones. Blue light is just one wavelength that makes up white light.