Kids Nighttime Blue Blocking GlassesNow the same powerful lenses from our adult glasses are available in kids frames! Kids are using electronic screens more than ever. Lets make sure they are protected from the down sides as much as possible. Durable and flexible TR90 frames Unisex design Light weight and comfortable Includes case and cleaning cloth Blocks over 99. 9% of blue light Have you child wear them when ever they are on a screen close to bed time. We recommend 1 2 hours before