We’re all worried about screen time. Could blocking blue light be the answer?
. These can all help with the strain that a sedentary workspace forces on our bodies. But what about blue light glasses?
Blue light glasses are designed to reduce what’s known as digital eye strain, or DES. There are an array of symptoms associated with DES, including headaches, dry eyes, and blurred vision. We’ll start with the bad news: there is no evidence that blue light glasses have any effect on eye strain from digital screens.used blue light blocking filters, which filter out 99 percent of blue light from screens.
What’s more likely is that DES is caused by overuse, or misuse, of screens. After all, the sun is a substantially more powerful purveyor of blue light than our screens, and DES isn’t associated with the decidedly analog sun at all. The general consensus is that DES is caused by spending too long, staring too hard, and sitting too close to our screens. Health experts generally recommend taking breaks to combat DES, rather than relying on blue light glasses.
But there is one thing that blue light glasses might help with. Some studies have indicated that blue light can be bad for our circadian rhythms; a review of the available studies found that it seems likely that blue light inhibits the brain’s ability to produce melatonin. In other words, exposure to blue light could make it harder to fall asleep.
That said, there are anecdotal reports of people loving their blue light glasses. Even if it’s just the placebo effect, well, that can be incredibly powerful, and if it works for you, keep doing it.
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