Get the Best Family Activities
—The 90 degree rule. When sitting at the computer, all the big joints in a child’s body — knees, hips and elbows — should form angles that are 90 degrees or more. Try taking a picture of your child and comparing it to the pictures at http://ergo.human.cornell.edu/cuweguideline.htm.
—Blink. People using computers blink less so their eyes get dry. Remind your child to blink by finding a big picture of an eyeball and taping it near the monitor.
—Look away. Staring at a screen for a long time makes it hard to focus when you glance away. (This is a problem with video games, too. To avoid eye strain, encourage your child to glance away from the screen every 10 minutes. If there’s no window in the room, put up an interesting poster about 20 feet away.
—Lean back. The computer screen should be an arm’s length away from your child. If he or she can’t see at that distance, enlarge the font — or schedule an eye exam.
—Take a break. Many kids lose track of time on the computer. Use software — or a kitchen timer — to remind them of whatever limits you’ve negotiated.
