Eye Doctor: Computers Don't Worsen Vision

A study out of Australia finds that adults spend more time in front of a screen than they do sleeping. The 1,500 people surveyed spent an average of nine hours per day in front of a television or computer.

What effect does that much screen time have on the eyes? Here & Now's Jeremy Hobson asks Dr. James Sheedy, who says long hours spent staring at a screen with poor lighting around the screen can cause eye strain, but computers themselves do not worsen vision.