Make sure the lighting is right. Before you turn the screen on check if you can see your surrounding in it if you can it's too light in the room and will cause eye strain quicker. But on the other had if the screen is brighter than your surrounding it will also cause stain quicker.

Make sure the lighting is right. Turning the screen on, have a check if you can see your surrounding or not. If you can, it's too light in the room and this will cause quicker eye strain. But on the other hand, if the screen is brighter than your surrounding it will also cause quicker strain.