.阅读理解

　　(2017·厦门质检)In the near future, we may be using our eyes to operate

　　our smartphones and tablets, even when it comes to playing

　　popular games like Fruit Ninja.

　　NPR profiled the Gaze Group, which has been developing eye­controlled computer technology for nearly 20 years.

　　But those devices have been primarily designed to aid those with disabilities, and are typically very expensive.

　　“After a while, we figured out that probably the best way is to go for a mass­market approach，” says Gaze's Sune Alstrup Johansen. “Where everybody would have this available.”

　　Johansen and some of his colleagues have formed a new company, The Eye Tribe,

　　which is hoping to develop the technology on a mass commercial level.

　　The technology works by projecting an infrared (红外线的) light from the computer toward the user's face. After measuring the user's eye movements, the technology is then able to easily detect where a person's eyes are moving, allowing the eyes to control a cursor (光标)．

　　“Our software can then determine the location of the eyes and estimate where you're looking on the screen with an accuracy good enough to know which icon you're looking at，” reads an explanation on The Eye Tribe site.

　　There has been a gradual shift toward hands­free technology in recent years, particularly in the gaming world.

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