Technology prize distributed €100,000 to the top three entries with other contenders receiving €5000 apiece to develop their projects

The Siemens Foundation announced the winners of an award for simple technology that empowers individuals.

A project to supply cheap glasses in Africa won the top prize, with other entries including fish farms built in old shipping containers, mobile solar-powered kiosks and a special wheelchair adapted for off-duty use.

Explore the gallery above to see how the One Dollar Glasses project will bring vision to thousands or click here for a full list of entrants.