Presbyopia Glasses with blue light filter, ideal for protecting your eyes during extended screen use. These glasses filter 98% of blue ultraviolet light, providing enhanced protection compared to the average of 40%. The glasses frame is thick, offering stability, combined with thin arms for a stylish design. The CR39 lenses include the blue light filter and are coated with an anti-reflective coating on both sides. Each frame comes with a durable case for storing the glasses.