Clip on For Eyeglasses Blue Light Blocking Clips Orange Lenses Driving Clips Polarized Sunglasses Clip on
Frame material: PlasticPolarization type: Non-polarizedLens width: 50 MillimetersRed lens can blocking whole the blue light.. can make good sleep if wear before you go to bed. but too dark. don't wear more than 2 hourse.Orange blue light glasses 99.5% blocking for gaming computer or hard working long time. and good sleep feeling glasses.Yellow lens can blocking 78% bluelight. and It's have other function : night vision. for driving is better. so. yellow lens we use polarized lenses. driving in the night will be working well.Clear lens is can blocking 18%. But it doesn't affect any color, and you see the same scene as without glasses. We use the same material as prescription lenses.