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Blue light blocking glasses have filters in their lenses that block or absorb blue light, and in some cases UV light, from getting through. That means if you use these glasses when looking at a screen, especially after dark, they can help reduce exposure to blue light waves that can keep you awake.

Most computer glasses are designed to filter out blue light - high-energy light rays emitted from the display screens on your computer, tablet and phone.

How Computer Glasses Work. Computer glasses reduce eye strain by adjusting the focus slightly so that your eyes feel like they are focusing on something further away. They also have a tint to remove the glare and block blue light from entering into your eyes.

MVMT Watches Inc. (pronounced "movement") (or simply MVMT) is an American watchmaker that sells quartz watches, as well as sunglasses and other accessories.

Their products are considered minimalist and easy to use. So, generally, this means there are fewer parts and pieces that might break. However, the movement technology they use is Japanese Miyota Quartz Movement. This technology is Japanese, but manufactured in China for the MVMT watches.

Blue light glasses are largely marketed as a solution to eye strain and as a protectant for the retina. Their effectiveness is not backed up by the science, however. While they are successful in blocking blue light, blue light is not necessarily something that needs to be filtered out for ocular health.

Wearing blue light glasses isn't harmful to your eyes, so you could wear them all day if you wanted, but it may not eliminate digital eye strain entirely. Digital eye strain may not be caused by blue light.

Blue light glasses, which aim to block the blue light waves, claim to improve sleep and reduce digital eye strain. Wearing blue light glasses isn't harmful to your eyes, so you could wear them all day if you wanted, but it may not eliminate digital eye strain entirely.

She and the team found that there appeared to be no benefit to using blue-light-filtering glasses, compared to just standard lenses, to reduce eye strain. The trials included in the review were relatively small - the largest had 156 participants.

Though blue light glasses aren't effective at preventing digital eye strain, there is no harm in wearing them. “It is not harmful to wear them all day,” says Dr. Bajic.

GARCIA-NAVARRO: So what did your study discover about wearing these glasses? ROSENFIELD: Both of the studies actually found that the blue-blocking filters have no effect, no significant effect on digital eye strain.

Overall, MVMT watches are a fantastic option for anyone wanting to purchase their first luxury watch. Since they are exponentially more cost effective than the more expensive watch brands, it's a good place to start. Plus, their designs are sleek, modern, and lightweight.

(music) Contraction of movement.

MVMT was co-founded in June 2013 by college dropouts Jake Kassan and Kramer LaPlante. They raised more than $290,000 for MVMT through two crowdfunding campaigns on Indiegogo.

Blue light glasses will not affect or damage your vision if you're wearing them throughout the day time or outside. However, it's important to note, that blue light in its natural form is actually a good thing and can be found in the sun's rays.