Now children use electronic devices much more often than before Blue light from the screen can have a negative impact on the child's eyes and vision These digital devices are often sources of radiation and harmful blue light, but most parents ignore them. Blue light damage to the eyes changes with age, and children are more vulnerable to blue light damage because their eyes are still developing. Studies have shown that the retina responds differently to blue light, and children's retina may be injured by a wider range of blue light. Take care of your children's future. Protect their eyes when they are young. Using electronic devices for more than 7 hours a day will expose kid to harmful blue rays, resulting in eye strain, blurred vision, migraines and sleep deprivation. The lens technology helps to Improve visual comfort by improving contrast and reducing eye strainEliminates glare with premium AR and UV protectionUltra- light weight frame, fashionable and comfort designValue pack with free eyeglasses case, cleaning cloth, small screwdriver, ear hooks, blue light blocking test kit included Clear vision can reduce blurred vision Our lenses are equipped with a superhydrophobic anti-reflection coating and are one of the clearest blue light blocking lenses on the market, with only a slight tint. Relieve eye strain Long term exposure to high energy visible light (HEV) blue light can cause eye strain and blurred vision. Our blue light blocking lens can reflect and filter out the blue light emitted by artificial light. More durable The edge multi-layer coating is combined into a single layer with a thickness of only 10um, which increases the surface hardness of the lens, prevents scratches and abrasion, and makes the lens thinner and more durable. Exploring infinity in a better perspective A pair of blue light blocking glasses will help protect your child from harmful blue light, reduce eye strain and blurred vision, and create a clear blue sky for them.