Vision Trainer Teaches Focusing Techniques at Home
When NASA's Ames Research Center contracted Stanford Research Institute in the 1960s to develop a
means of objectively measuring pilots' ability to adapt their vision to different distances, known as visual
accommodation, the agency was not considering a biofeedback device that could teach users to control their
eye focus-much less a system that could improve sensory and motor processes, as well as attention,
creativity, and learning, by inducing an "alpha brain-wave state."
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