Protect your childrens eyes with kids polycarbonate blue light blocking glasses. Electronic screens can emit bright blue light that cause eye strain and even dizziness. Using blue light lenses will reduce eyestrain. Blue light penetrates your kids eye all the way to the retina when kids are using an iPad or computer. High quality blocking lens not only can cut 99% of the blue light, but also can help with anti glare, anti eyestrain, anti headache and help you enjoy a better sleep. Lead free. UV 400 Protection.