Felix Gray Faraday Blue Light Blocking Computer Glasses, Black WIDER VIEW OF THE WORLD s classic frame has a wider square lens, ideal for a person with a slightly larger face or for someone who wants more lens than frame in their field of vision. Soft edges lend the frame a smart, chic look. WHY FILTER BLUE LIGHT Filtering Blue Light and eliminating glare may help to combat Digital Eye Strain. Blue Light is emitted by most modern, digital devices, and may be linked to eye strain, sleep cycle disruption, and potentially macular degeneration. Glare creates unnecessary feedback that enters into our eyes and can cause it stress. THE FELIX GRAY DIFFERENCE s proprietary filtering technology is embedded directly within lenses, so 50% of all Blue Light and almost 90% of the highest range are filtered out. Premium anti-glare and UV protection are also applied, with no blue-reflective coating and an unnoticeable tint. TOP-LEVEL QUALITY s Blue Light blocking computer glasses a must-have.