You can switch the computer screen to a black screen and increase and decrease the brightness to check the contrast of the screen. The black screen will help your eyes be more relaxed, not stressed by too bright light.

If you want to keep your kids eyes-safe from Myopia, You need our Best Parental Control App for Android, iPhone, tablets, etc. We can provide child management solutions like easily track, control your children's screen time, Monitoring and blocking and lo...