Blue light blokcing, computer glasses for kids Color:RED Size fits approximately from 7

Size fits approximately from 7 to 14 year old

10% spandex

Extra strong velcro closing

made of 100% cotton

and ruffle detail on the bottom

Blue light blokcing, computer glasses for kids Color:RED Size fits approximately from 7What are blue lights? Blue light has a very short wavelength, and so produces a higher amount of energy. Studies suggest that, over time, exposure to the blue end of the light spectrum could cause serious long term damage to your eyes. Blue light blocking lenses are virtually clear lenses made with a special blue light blocking polymer that prevents blue light and UV rays from passing through the lens. IMPROVE THE SLEEP OF YOUR CHILD Blue Light