My child likes using mobile phone very much. He will chat with his mobile phone and watch video all day long. He hardly ever sees him put down his mobile phone. So I wonder if this will make him short-sighted prematurely, and if there is any way to stop him from using his mobile phone continuously
Prolonged exposure to electronic devices has been shown to cause myopia. Because electronic devices emit blue light, which is harmful to the eyes, it's easy for teenagers to become short-sighted after long-term exposure to smartphones. If you're concerned about your child's eyesight, it's best not to let him use the phone for long periods of time. If you want to stop your child from using a cell phone, try using a cell phone jammer