Technology does not stand still, our screens are not as harmful as they used to be. Yes, the devices on the market are highly differentiated, everything that is considered budget can still have a bad effect on your health. You've probably heard about pulse-width modulation, but you need to be careful with screens of this technology. Take care of your eye health, take breaks, reduce your load, and do all kinds of exercises. When purchasing devices, always pay attention to the quality of the screens.