This is called the 20/20/20 rule: every 20 minutes, look at someone 20ft away (or just close your eyes) for 20 seconds. I wouldn't call it "the" solution: it's

This is called the 20/20/20 rule: every 20 minutes, look at someone 20ft away (or just close your eyes) for 20 seconds. I wouldn't call it "the" solution: it's part of a complete breakfast.