Your favourite TV show is on the screen, but why is the picture out of focus? Maybe it’s not the picture. Maybe it’s your eyes. Watching TV for long periods of time can cause eye fatigue. But TV watching is not harmful to the eyes.
To give your eyes a break when watching TV, you should be sitting at least six feet away from the screen. One guide is to sit at a distance that is five times the width of the picture. And don’t sit in the dark. It’s not good for your eyes. There should be light in the room, but not bright enough to wash out the TV picture. Move the light of the TV so that is doesn’t cause a reflection or glare in the TV screen.