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What Does Wearing Blue Light Glasses Do?

Update:2022-04-27 06:15
Blue light glasses essentially block the blue light that is emitted from your devices. When you put them on, you can even see the blue light reflecting back in the lens. But how exactly do they work?
Blue light is part of the visible spectrum, and it is one of the shortest but highest wavelengths. Digital devices can emit blue light at the intense spikes at 455nm. Blue light above 440nm disrupts your melatonin which impacts your sleep habits. 
Something to be aware of when considering blue light glasses is that they often are not testing the harmful spikes at 455nm. Many phony companies are cheaply creating blue light glasses and claiming they help, but unless tested at the peak emit at 455nm indoors, then they probably are not going to help as claimed. 
Overall, blue light glasses are designed to be worn as much as you can, and can even be used for prescription glasses. We understand some only want to use them while in front of a computer at work or at night before bed. No matter how you choose to use blue light glasses, even incorporating them into your life will reduce your blue light exposure some, which will ultimately help.