Image sensors and the advent of digital imaging have been met with
differing reactions from the photographical community. But what a team
of doctors at the Oxford Eye Hospital have managed to do with the
technology is 100% digital, and 100% amazing. Clinical trial leaders
Robert MacLaren and Tim Jackson have helped two blind men to partially
see again.
This miraculous feat was achieved by implanting a 3mm square, 1,500
pixel sensor at the back of each eye; the sensors are then connected to
the patient’s optic nerves and a control chip implanted behind their
ear. The sensor, which was developed by the German company Retina
Implant AG, can then send signals down the optic nerve to the brain each
time it detects light.
At this point the two formerly-blind patients, Chris James and Robin
Millar, can only perceive light and some basic shapes; but as more time
goes on the hope is that each patient’s brain will begin to better
interpret the signals coming from the implant.
Of course the treatment is still in its very early stages, but this
could eventually mean significantly improved, black-and-white vision for
people who have lost the ability to see entirely — a bonafide miracle.
And none of this would be possible without two 0.0015 megapixel image
sensors.
(May 3rd, 2012 via
BBC News)