Name: Adjustable liquid-filled eyeglasses
Uploaded: 2009-09-01T01:00:00Z
Duration: 5 min 14 s
Description: 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.

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: Adjustable liquid-filled eyeglasses

Adjustable liquid-filled eyeglasses

A staggering half of the global population requires vision correction, revealing a massive, underserved need for eyewear.

Joshua Silver's innovation—adjustable, liquid-filled lenses—offers a low-cost, scalable solution to the global vision crisis.

With a vision to equip a billion people with affordable glasses by 2020, Silver's work embodies the intersection of innovation and empathy.