Dec 22nd, 2008 | survey

Professor Silver pioneers DIY adjustable 1$ glasses that do not need an optician


Inventor's 2020 vision: to help 1bn of the world's poorest see better


Professor Silver pioneers DIY adjustable 1$ glasses that do not need an optician, to help 1bn of the worlds poorest see better


By Vicky-v
28 votes, 459 views , Add a comment
 
 

 
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