Around 39 million people in the world are affected by blindness — 80% of which could be avoided if people had timely access to diagnosis and proper treatment. The problem is that in many developing countries, most eye care providers are in cities, while the majority of patients live in hard-to-reach rural areas. To bridge this gap, London-based opthalmologist Andrew Bastawrous created Peek — an app […]
On St. Patrick’s Day in 2008, Chris Downey, an architect, planner and consultant who lives in Piedmont, California, some 10 miles east of San Francisco, reported to the hospital for surgery to remove a brain tumor. The procedure was a success. But two days later, his sight started to fail. On the third day, it […]
It might seem strange to show a gallery of images of places the narrator can’t actually see. But as architect Chris Downey explains, he picked these locations in San Francisco because they’re meaningful to him, not because they’re photogenic (though as it happens, they’re that too). “As with any large, great city, its success is […]
[ted id=1818] When Ron McCallum was a child, he loved story time. But he was sad not to be able to read a book on his own. It was the 1940s, and McCallum was blind since birth. As his mom told him, “You can’t feel the pictures, and you can’t feel the print on the […]
Scientists in London have achieved a significant breakthrough on the road to curing blindness this week. Certain kinds of blindness are caused when photoreceptors — the cells in the retina that react with light and send an electrical signal to the brain — die off. Researchers at Moorfields Eye Hospital and University College London have, […]
In the most recent issue of Scientific American, Pawan Sinha shares the eye-opening experience that shook his worldview. When riding through the streets of New Delhi one night in 2002, Sinha’s cab slowed for a red light by a struggling family sitting on the side of the road. Both of the children, emaciated and barefoot, […]
A haunting black-and-white video screened during the TED Fellows talks depicted people speaking into a device and then walking — at first taking halting steps, then more confident strides. As the video unfolds, the camera zooms in on the faces of the walkers — revealing that they are blind. With his team, TED Senior Fellow […]