This constantly changing level of light makes your eyes work harder, which results in eye strain. You will see many flashes of lighting level changes happening in quick succession.Įvery time the scenery on the screen changes or if the television show switches to a commercial, there can be a big change in the light emitted from the screen. To prove this, try looking at the wall opposite of the television while a show’s on. The various scenes and backgrounds of the show have different lighting levels. You may think the light on the television stays the same, but it actually changes quite a bit. When you are watching television in a dark room, your eyes must constantly adjust to the different lighting. Unfortunately, watching TV in the dark can strain your eyes. But, can watching TV in the dark really damage your eyes, or is it just an old wives’ tale? And what about using other types of screens in the dark? The answer may be more complex than you think. So, many of us stop following that rule of keeping the lights on while we watch TV when we get older. But, when you go to a movie theater, you can’t help but notice how nice it is to have all the lights turn off so you can really focus on the movie. Since you were a little kid, you were probably told that it’s bad for your eyes to watch television in the dark.
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