As you know,television is a great invention.But our parents always say,"Stay away from the television!That can be bad for your eyes!"In fact,they are teriffied that we concentrate more on the shows.To be honest,television can be bad for our health,and it can affect our studies,too.But TV makes us life more and more colorful.We can also open our eyes that way.In a world,television has both good and bad features.