Posts tagged "20 20 20 Rule"

Every 20 minutes, look at something 20 feet away for 20 seconds. That's the 20-20-20 rule — the simplest, most evidence-backed way to prevent digital eye strain. The American Optometric Association recommends it. Ophthalmologists recommend it. And yet almost nobody actually does it. The problem isn't knowledge. It's follow-through. Where the 20-20-20 Rule Comes From The rule was popularized by Cal…