Switchable Lenses Improve Vision

Special lenses that automatically focus can help people wearing eyeglasses see more clearly.

By Emily Sohn, 00:00 AM April 21, 2006

Some people have the impression that wearing eyeglasses can make you look smarter. Someday, your glasses themselves might actually be smarter.

 

Scientists are developing "smart" lenses that sense where your eyes are looking and automatically focus to help you see more clearly.

 

 

 

 

 

 

 

 

 

 

 

 

 

Electric signals from microchips in the black boxes attached to these experimental eyeglasses change the focus setting to improve vision.

 

Electric signals from microchips in the black boxes attached to these experimental eyeglasses change the focus setting to improve vision.

 

Guoqiang Li et al./Proceedings of the National Academy of Sciences

 

Th...

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