Joshua Silver

Adjustable liquid-filled eyeglasses

5:34 •
Filmed Jan 2009 at TEDGlobal 2009
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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.

Joshua Silver
/ Optical innovator

Atomic physicist Joshua Silver invented liquid-filled optical lenses to produce low-cost, adjustable glasses, giving sight to millions without access to an optometrist.  Full bio.

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