Guilt-Free Sleep: Do Nightlights Actually Ruin Your Child’s Vision?

In my clinic, I’m often asked whether using a night light will worsen a child’s vision. It’s a question that comes up again and again, usually tied to an old study that still circulates online. As both a pediatric ophthalmologist and a parent, I want families to know that the concern is understandable—but the fear is outdated. When we look at higher-quality data, night lights are not the driver of nearsightedness, and parents can make this choice without worry.