Norman Far Vision Screen and Sharp Vision Screen are fog screens, which can help children develop good eye habits. However, Norman telephoto screen is mainly anti-blue light, while sharp video screen is mainly anti-glare and does not flash.
The specific choice of smog screen needs to be decided according to the actual needs of children. If children need blue light protection, they can choose Norman telephoto screen. If the child needs anti-glare and does not flash the screen, you can choose Ruishi light screen.