![]() ![]() Putting on your blue light glasses in the evening or viewing your phone before bed can help keep melatonin production regular. But evening or nighttime exposure can trick your body into thinking it’s daytime. A dose of daytime blue light can help you feel alert, perking you up like a cup of coffee. Blue light prevents the release of melatonin, the hormone responsible for making us feel drowsy. When you use your phone or tablet regularly, there are benefits to slipping on blue light glasses.Īdding a blue light filter in the hours before bed can support quality sleep. People also use other blue light-emitting digital devices-such as smartphones-for similarly long hours or multiple times daily. When to Wear Blue Light Glassesīlue light is everywhere, yet blue light filters are usually associated with computers. People suffering from digital eye strain can experience blurry vision, dryness, tired eyes, or neck and shoulder aches. However, as only limited, small-scale studies have been performed, the results are unclear.īlue light is also a factor in digital eye strain. Years of cumulative exposure to blue light may increase the risk of eye damage, including macular degeneration. Blue light, however, easily passes through and is absorbed by light-detecting cells in the retina. Structures at the front of the eye absorb UV light, preventing it from completely reaching the retina and the back of the eye. The concern comes from a lifetime of exposure to blue light. ![]() Current studies are still inconclusive as to whether low-intensity artificial sources pose a risk. Some benefits of blue light include:īut too much long-term exposure may increase the risk of eye problems. Just like there are benefits to sun exposure, blue light can also benefit your health. Over time, our exposure to blue light can lead to cumulative damage. We spend hours on our phones, computers, and tablets, usually viewing them too closely. But we encounter many of them throughout our day and tend to engage them up close-especially with digital screens. Unsurprisingly, these sources are much weaker than the sun. Blue light is scattered by the atmosphere, which is why the sky looks blue.Īlthough the sun is our most significant source of blue light, many artificial sources exist, like digital screens, light bulbs, and LED lights. Our atmosphere protects us from the most harmful UV radiation by absorbing all UVC and some UVB rays. The sun is our primary source of blue light. Blue light is less powerful than UV radiation but can still be dangerous in high amounts. Many people are familiar with UV light because of sun damage: it’s why we wear sunscreen and sunglasses. Blue light is part of the visible light spectrum (a small section of the electromagnetic spectrum) at the end, right next to ultraviolet (UV) light. ![]() The world is full of light, some visible to our eyes and some invisible. But when and where you wear your eyewear can make a difference in the quality of your vision. You can wear your blue light glasses all the time, just like you can wear sunglasses all the time. Like sunglasses, blue light glasses can have long-term eye health benefits. Or, you can reap the same blue-light-blocking benefits with non-prescription lenses. Opticians can add a blue light filter to your prescription lenses to protect your eyes from blue light. Your lenses can be customized with treatments and tints to make your vision more comfortable and convenient. Today’s eyewear offers more than vision correction.
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