Side-by-side images show a 45,000-pixel rendering of a cat image at left, and a simulation representing an image rendered by 45,000 electrodes in a brain implant at right. (Credit: Ione Fine / ...
BETHESDA, Md. — Low vision or blindness currently affects one in 28 Americans older than 40 -- for a total of 3.3 million -- and the figure is projected to escalate to 5.5 million by 2020, according ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback