'Filter harmful blue light' presentation slideshows

Blue Light 101- What is Blue Light, Sources, Problems and Protection by BluTech

Blue light is a color in the visible light spectrum ranging between 400 nm and 500 nm and can be seen by human eyes. When you use electronic devices for a long time then your eyes absorb blue light in large amount and it results in a number of problems. So, for protection from that, invest in BluTech lenses, known as blue light filter glasses as they are infused with Blue Light Plus, a proprietary combination of pigments and dyes which protects your eyes the way nature does. For more information about blue light and blue blockers, visit www.blutechlenses.com

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