New Bionic Eye Could Give Robots and the Blind 20/20 Vision
Mr. Singularity
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š Researchers have found a way to replicate the shape and capabilities of the human eye. The concave form of the retina is one of the hardest things to imitate. The reproduction of this curved sensor array has proved difficult. The secret to the breakthrough was an ingenious way to insert photosensors into a dome-shaped artificial retina. This helped them to develop a system that could mimic the wide field of view, responsiveness, and resolution of a human eye, they say.
"The artificial eye of colleagues is certainly impressive, but what makes it truly stand out is that many of its sensory capabilities compare favorably with those of its natural counterpart," an engineer says. The artificial eye managed to achieve 100 degrees, which is a significant improvement over the approximately 70-degree flat sensor. Researchers have found that nanowire photodetectors are actually considerably more sensitive. They were activated in as little as 19.2 milliseconds and restored to a point where they could be reactivated in 23.9 milliseconds. Even, the device is a promising proof-of-concept that indicates that we will soon be able to reproduce, and even better, one of nature's most beautiful designs. Given these advances, it seems possible for us to witness the widespread use of artificial and bionic eyes in daily life in the next decade.
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