Dench's diagnosis draws attention to macular degeneration test

Actress Judi Dench has revealed that she's losing her eyesight to macular degeneration. She's far from alone, as the devastating disease affects an estimated 13 million Americans – yet 85 percent of them don’t realize it. In this excerpt from the latest episode of Medicine in Blue and White, learn about the condition -- and the first-ever early warning test for it developed at the College of Medicine, Penn State Milton S. Hershey Medical Center. Watch the video here: http://goo.gl/S0UWf
 

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Last Updated February 23, 2012