HornetTek BLK104 Computer & Gaming Glasses with Blue Light Protection & UV Filter Eyewear Light Weight Frame with Crystal Lens Non-prescription glasses with anti reflective coating to protect your eyes from digital devices like computers, cellular phones, tablets and televisions. Color filters reduce the harmful blue & violet light from your digital devices to prevent and reduce soreness, dry eyes, blurred vision and headaches. Superior lens design gives you improved clarity, and has minimum effects on color accuracy Ultra light-weight frame. FDA Registered. Product Review Video: https://youtu.be/W82EMnuPJrg