I was lucky to meet with Joshua Silver, he has a brilliantly simple solution for correcting vision at the lowest cost possible; Adjustable, liquid-filled lenses. I’m really hoping that I can get involved in his project, and his global plan to distribute them to a billion people in need by 2020. We’re hoping to bring the cost down form $19.00 per unit to around $1.00 – it’s an exciting design problem with huge global benefit!

At TEDGlobal 2009, he demos his affordable eyeglasses: