Research shows that kids who spend more than 90 minutes outside per day slow down the progression of myopia. Children can let their eyes take a break by looking at things at a farther distance.

This was all to protect my kids.” As a first step, Hadfield placed signs and displays near her house with “Slow down” written on them, but they were either vandalized or stolen, she said.

Parents like Mike Spotts know just how dangerous people can drive, putting his children in harm's way. He has had to put up his own "slow down" sign by his yard. "Part of it is the speed at which ...