TO2003B TR90 Round Non-prescription Clear Glasses with Blue-Light filter combines timeless design with quality manufacturing and coverage, to bring your child an everyday accessory you never need to take off. That means your child's eyes get dual coverage all day – indoors, outdoors and for your digital world. The blue light filter is designed to increase visual comfort in all light conditions, including digital environments. Fit kids aged 5 to 13 years.