ALEXANDRIA, Va.—More than half of American adults suffer from digital eye strain resulting from prolonged and frequent use of smartphones, tablets and other electronic devices, according to a new survey from The Vision Council. The symptoms include neck and shoulder pain, headaches, eye strain, blurred vision and dry eyes. Yet close to 49 percent of American adults say they don’t know what digital eye strain is, and nearly 35 percent aren’t concerned about the impact of digital device usage on their eyes. These findings, drawn from The Vision Council’s annual VisionWatch consumer survey, provide insights into our complex relationship with much of the digital technology that is on vivid display at the annual Consumer Electronics Show (CES) in Las Vegas. Read More.