Do the same sunglasses that block harmful ultraviolet (UV) sunlight also shield your eyes from sun rays and your digital devices? It really depends on the color of the lens — yellow tints, for example, provide blue light protection.
Controlling light exposure is not something that our pre-industrial, pre-digital ancestors had to worry about. But in today’s perpetually illuminated world, it is important for all of us to regulate how we consume light – and the timing of our consumption.
Light has tremendous effects on sleep and health, and too much light, particularly at night, can seriously disrupt sleep.
Blue light, we’ve found, is especially detrimental to sleep and health when we’re exposed to too much of it, and our exposure comes at the wrong times of day and night.
Blue light is very dangerous to the retina, as we all know. If our eyes have been exposed to blue light for a long time, it can cause severe eye problems, such as age-related macular degeneration (AMD). So most of the sunglasses are designed to block the blue light. The most famous is the tinted sunglass.
You can choose Oakley, Ray-Ban, Maui Jim, Uvex, and Revo. Wrap-around sunglasses or clip-on sunglasses is also available to block the blue light. Before you’re going to choose sunglasses, here are some recommendations for you.
Blue light sensitivity and excessive screen time go hand in hand, but should you be concerned only about blue light from your digital devices?
Not even that. Blue light is only one color on the light spectrum that you see on a regular basis, and having a good amount of blue light is crucial for controlling our sleep-wake cycle.
The greatest source of blue light is sunlight, not your laptop. Nevertheless, since most people spend much more time in front of the television than in the sun, many eye doctors and health practitioners are worried about excessive exposure to blue light and its long-term consequences.
While many people have used blue light blocking glasses to enhance eye comfort and better sleep, experts from the American Academy of Ophthalmology (AAO) do not think they are appropriate (Read Here). There is currently no proof that blue light induces digital eye pressure, or that the amount of blue light coming from our devices is adequate to cause eye damage or disease.
Alternatively, AAO experts recommend that you sit your arms away from your phone, take regular breaks, and hold lubricating drops nearby (if your eyes appear to get dry). You can also improve your sleep by simply reducing the time of the screen before you hit the hay.
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