Harm of Playing Game

Playing game is harmful for human, especialy child. For example, people will lose their good eyesight. If they play games for a lot of hours or in dim room, their ability to see become weaker and weaker. And harmful for health! During playing games, children do not go outside. That's why there are little oppotunities to play outdoor. That is not good for health. With these reasons, I think playing games is bad!!