Take Viewing Breaks When Watching 3D Sports, ESPN Says

Researchers at ESPN have been testing user reaction to three-dimensional sports programming. While some viewers in an ESPN lab study experienced eye strain and headaches while watching the soccer World Cup in 3D, the adverse effects were reduced after viewers took breaks, ESPN says.

"We think that breaks are a good thing for 3D viewing," says Duane Varan, executive director of the Disney Media and Advertising Lab.

Most adverse effects are reported on the first day that a viewer watches 3D programming, and are reduced in subsequent days as viewers get more accustomed to it.

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