Giving the Poor Sight

 "For millions of people in the developing world, one thing stands between them and a job or an education: a good pair of glasses," notes NPR. "Quality eye care is often a luxury in areas where health services are scarce. So researchers and entrepreneurs are looking for breakthrough technologies to bring the cost of glasses and eye exams way down. One group thinks that smartphones could help provide needed access to vision health care. Researchers at EyeNetra, a Massachusetts Institute of Technology spinoff company, are working on a device that would turn the phones into eye exam machines." Read more.