From smartphones and tablets to TVs and laptops, digital devices dominate daily life—and our eyes feel the strain. U.S. adults now average more than seven hours a day on screens for work, entertainment, and communication.¹ With so much screen time, tired, dry, irritated eyes have become so common that the cluster of symptoms has been given a name: digital eye strain (DES).² While blue-light glasses and filters remain popular, avoiding DES requires a combination of healthy screen habits and nutritional support.