Adjustable liquid-filled eyeglasses
894,503 views |
Joshua Silver |
TEDGlobal 2009
• July 2009
Josh Silver delivers his brilliantly simple solution for correcting vision at the lowest cost possible -- adjustable, liquid-filled lenses. At TEDGlobal 2009, he demos his affordable eyeglasses and reveals his global plan to distribute them to a billion people in need by 2020.