Josh Silver delivers his brilliantly simple solution for correcting vision at the lowest cost possible — adjustable, liquid-filled lenses. He demos his affordable eyeglasses and reveals his global plan to distribute them to a billion people in need by 2020. Whats your vision 😉

http://www.youtube.com/watch?v=tpKWHSsBpnE

Smile, it’s a form of charity.
— Read from a bumper sticker