The average American spends more than 10 hours a day interacting with a smartphone or computer screen, and too much screen time may wreak havoc on your eyes. Digital eye strain, computer vision syndrome and visual fatigue are a group of eye and vision-related problems that result from prolonged computer or tablet and cellphone use. People who spend an extended amount of time staring at screens experience eye discomfort, vision problems, dry eyes, eyestrain, headaches, blurred vision, and neck and shoulder pain. According to The Vision Council, 59% of American adults report experiencing symptoms of digital eye strain. Dehydration and...