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Blue light filter eyewear is the best blue light blocking glasses online. Protect your eyes by filtering harmful blue light from TVs, smartphones, computers, laptops, tablets, electronic devices. Block harmful blue light to 80%. Anti eyestrain and headache,improve sleep effectively. Yellow lenses are suitable for reading in bed.
Blue light glasses are among the hottest trends in eyewear. Popular eyewear companies, such as ALS First Store, are selling lenses that claim to filter out blue light emitted from electronic devices to reduce eyestrain, headaches and sleep issues.
Blue light isn’t some special form of light that only comes from computers and LED lights - it’s actually all around us. In fact, sunlight is the main source of blue light. When you walk outside during the daytime, you’re exposed to blue light.
The blue light emitted by the sun is the reason we see the sky as blue. It's these light waves that get reflected and bounced around the most by the Earth’s atmosphere.
The light spectrum consists of UV, visible and infrared light. Visible light accounts for 50% of the light spectrum and, as the name suggests, it’s the only part of light that can be detected by the human eye (UV and Infrared Light are both invisible). These different colored light rays contain different amounts of energy
To protect your eyes and maintain a healthy sleep schedule, you should: