It is true that watching too much television is bad for your eyes. Most experts agree that staring at the television will cause temporary or permanent damage to a person's eyes. As focusing your eyes too long on any one thing can cause eyestrain, a temporarily irritating problem, high eye pressure, dry eye, etc. Besides, color televisions, due to a factory error, emitting excessive X-rays. overexposure to x-rays, the excessive levels of radiation are especially harmful for children and elder people if they long time focus on TV. Because with their heads tilted up, the posture may cause more eyestrain, high eye pressure, near sight and dry eyes. Therefore, you should not watch more than an absolute maximum of 3 hours of TV per day, and don't let TV isolate you from your friends by sitting down in front of the TV and eating too much junk food without moving,which is also bad for your health and may cause overweight. In all, watching too much TV is bad for both eyes and health, so manage your TV time well, and take more exercises.