Blue light is one of the spectrum of colors. Natural blue light comes from the sun. Artificial blue light comes from our digital devices and lights like LED.
Many of us spend a lot of time on our digital devices and it’s increasing
Scientists have been researching the effects of Blue Light for almost 50 years. The most recent evidence is that only extreme and sustained exposure to blue light may cause damage to your eyes.
Today we reach for our digital devices more than ever. Screen time seems to be all the time for some of us. It’s probably no surprise if your eyes feel dry or tired, especially if you work in front of a computer screen all day.
Many claims have been made about the benefits of Blue Light filters and blocking lenses. The Royal Australian and New Zealand College of Ophthalmologists (RANZCO) July 2019 Position Statement on Blue Light Blockers states
“No evidence exists to suggest that normal environmental exposure to blue light, including those from digital screen technology, causes damage to eyesight. Filtering out the blue light from screens is not necessary in general use.”
