The Nano Protect PRO BOOSTER model protects your child from blue light emitted by electronic devices and screens. Thanks to its lenses with Blue Block and anti-reflective treatment, it reduces glare and alleviates visual fatigue caused by these devices.. Children are spending more and more time in front of electronic screens. Do your children not wear prescription glasses but still need protection? No problem, because Nano Protect is NanoVista's collection of non-prescription blue light protection glasses. The high-quality yellow lenses of Nano Protect frames neutralize 60% of the blue light emitted by electronic device screens and enhance contrast for natural color vision, even in low light conditions. The size measures 48 mm for the lens width, 17 mm for the bridge, and 130 mm for the temples. Ages:10-14 years.. Condition: new with labels and warranty certificate - Model: NANOVISTA PROTECT BOOSTER NPO20148 - Shape: rectangular - Frame material: plastic - Frame color: black - Product code: NPO20148 - Lens color: protect - Size: 48. EAN: 8435449190647