Human eye camera lens

August 10, 2006 at 12:15 am (Science)

Researchers at the University of Wisconsin-Madison have gone back to the source for inspiration with their new artificial lens, creating a so-called “shape-shifting” lens that mimics the way a human eye works.

Like other liquid lenses, theirs uses a glass-oil-water interface, but it also adds a a ring of polymer gel around the lens that acts like a muscle, changing the focal length as it expands and contracts. What’s more, the gel apparently works simply by reacting to environmental changes, like a rise in temperature or change in acidity, allowing for both smaller and more power-efficient imaging devices than other similar lenses.

Read more @ New Scientist


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