There's a lot of conflicting evidence, however, about exactly how harmful (or not) it really is. Is blue light harmful?īlue light has been linked to all sorts of issues, from causing digital eye strain to making us blind. Tech products that have a LCD screen, like laptops, iPads ( $169 at Amazon) and older iPhones, still use LEDs to backlight their displays. Unfortunately for all of us who cozy up to our tech after sunset, LEDs are used in countless smartphone, tablet and TV screens. +13 more See all photos So, what does my phone or computer screen have to do with this?Ĭompared to fluorescent and incandescent bulbs, LEDs can give off a significant amount of blue light. The Lumos mask, for example, uses light therapy to mitigate the affects of jet lag. On the other hand, blue light can help us overcome sleep issues by disrupting our usual circadian rhythm. While exposure to any light waves after dark delays our bodies' production of melatonin, blue light waves can be especially problematic because they keep us alert. But today, we're exposed to light all day and into the night. When the sun goes down, the lack of light signals our bodies to start producing melatonin, the hormone responsible for making us fall asleep.īefore the advent of artificial light, the sun regulated our sleep schedules. We get plenty of blue light waves each day from the sun, but after dark we're still exposed to it from many artificial sources. What gives off blue light?Īny source of visible light gives off blue light waves, whether it's the sun, a touchscreen or a light bulb. Within that spectrum are blue light waves, which are said to help us stay alert and upbeat. What is blue light?Īll visible light we humans see contains the entire spectrum of the rainbow, from red to violet. There is conflicting evidence about how blue light exposure affects your eyes, but doctors and researches are in agreement that it does affect your circadian rhythm. Is staring at a screen for hours each day bad?ĭoctors and researchers are largely focused on two issues that arise from our ever-growing screen time: Digital eye strain and blue light exposure.Īccording to the American Optometric Association, digital eye strain is "a group of eye- and vision-related problems that result from prolonged computer, tablet, e-reader and cell phone use." Those issues range from blurry vision and dry eyes, to headaches and neck pain.īy staring at screens all day, we're also exposed to blue light waves, which are said to cause a myriad of issues. So do blue-light blocking glasses really make a difference for all of us who stare at a screen 8-plus hours per day? The answer isn't as straightforward as yes or no. You can even get blue-light blocking lenses for your prescription glasses. Once hard to find, there are now plenty of stylish options from companies like Felix Gray and Peepers. Read more: These Transitions contact lenses make me look like an alien - here's why I love them To combat those problems, you can pick up a pair of computer glasses - also called blue-light blocking glasses - which promise everything from eliminating eye strain to helping you sleep better. And that's just while we're at the office - we're also addicted to using our phones all day long.Īll of that screen time seems to come with various ill effects on our bodies and minds, such as eye strain, headaches and insomnia. The average office worker spends 1,700 hours per year(!) in front of a computer screen. These days, there are very few people who aren't spending at least a few hours each day looking at digital screens.I've been staring at screens my entire life, from my parent's early Gateway machine, to Macintosh desktops at school, to my iPhone, iPad and MacBook today. This particular wavelength of light has been shown to potentially damage your retina, which could lead to vision impairment.Įven if you don't need a prescription, you should consider a pair of glasses with blue light blocking technology. Blue light is found in mobile phones, tablets, computers, some light bulbs and sunshine. Additionally, blue light blocking lenses also include non-glare protection. Our stylish Glasses feature lenses that limit exposure to blue light. These Glasses are specially designed for the brand and are manufactured overseas so please be aware orders can take up to 28 days to arrive.Īs we are all spending more time on screens these days, it's even more important to pay attention to the impact of blue light. As you scroll on the internet will prevent blue light from reaching your eyes at night, thus providing a strong environmental cue for your body. Wearing blue blocking glasses in the day as a stylish accessory or before bedtime.
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