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Adjustable, liquid-filled eyeglasses: Josh Silver on TED.com

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. (Recorded at TEDGlobal 2009, in Oxford, England. Duration: 5:34)

Watch Josh Silver’s talk on TED.com, where you can download this TEDTalk, rate it, comment on it and find other talks and performances from our archive of 500 TEDTalks.

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