Eye implants in human trials

Jeremy Eades @ 02-05-2008

Researchers have gone from a 4×4 grid (16 ‘pixels’) in 2004 up to a 60-electrode version that was implanted in two men recently.  While not quite in Geordi Laforge territory, it’s a big step up from complete blindness.  After enough practice, the earlier patients were able to distinguish between eating implements at a dinner table, so it’ll be interesting to see what these guys can do.  The 3rd generation will be designed with about 600 electrodes, and they’re hoping that patients will be able to read.

A camera built into a pair of glasses connects to a processing pack that is carried or clipped onto the belt.  This then beams the image into the retina, turning on electrodes and stimulating the eye.  So far, this will only work for people who have lost vision, not for people who were born blind.

(via DailyTech)


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Seeing with sound - the boy who echolocates

Paul Raven @ 24-10-2007

I’ve got an enduring interest in the use of technology to overcome deficiencies of the human form (as regular readers will doubtless already be aware), but I’m equally fascinated by the ways that the same problems can be overcome with what you might describe as the "vanilla hardware configuration" - in other words, working around the problem without any external assistance. The human body and brain are astonishingly adaptable - witness Ben Underwood, a blind teenager who has taught himself to "see" using echolocation.


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