Mar 7th 2011, 8:48 by T.S. | LONDON
THE first commercial retinal implant, the Argus II, has just received approval from European regulators. This marks the first time such a device has been made available commercially (though many such devices are at a trial stage). We wrote about the Argus II in the December edition of Technology Quarterly. Although it is a relatively crude device, the same was true of the first commercial cochlear implants 26 years ago—and they have improved enormously since then. (The Argus II is made by Second Sight, a company based in Sylmar, California.)
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