The Confusing Mix of Hype and Hope

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Science  08 Feb 2002:
Vol. 295, Issue 5557, pp. 1026
DOI: 10.1126/science.295.5557.1026

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Despite promising leads and publicity galore, restoring vision by implanting bionic eyes remains a distant dream. Most human experiments have simply tested the effects of surgically delivering temporary electrical stimulations to the retina. Yet the field is full of hype and hyperbole, as researchers work at the extreme edges of biological knowledge, attempting feats that were earlier the things of myths.