Blue Light Filtering Glasses Universal Thead Computer/Mobile Eyewear (TORTOISE BROWN) NEW!!! Help limit eye strain with these Blue Light Filtering Glasses from Universal Thread™. Designed to filter blue light, these full-rim glasses help prevent eye fatigue from long working hours, mobile phone use or excessive screen time. Plus, the shatter-resistant construction makes them less prone to breakage upon impact. Great for work and home, these blue light filtering glasses feature a comfortable stylish frame to help you finish off your casual or work ensemble with style. *Help prevent eye strain and fatigue due to prolonged screen time *Shatter-resistant construction *Cat Eye Design Shipped from a smoke free environment.