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'Significant breakthrough' in bionic eye development

Researchers have made a breakthrough in bionic eye technology, reducing power consumption to facilitate next-gen visual systems.

@AdamHuntTT
Published Thu, Dec 23 2021 2:30 AM CST   |   Updated Mon, Jan 17 2022 3:05 PM CST

Researchers from the Harbin Institute of Technology in China, the Harbin Institute, and Northumbria University have developed new technology to make bionic eyes more efficient.

'Significant breakthrough' in bionic eye development 01 | TweakTown.com

The team developed a new method for controlling the artificial synapses in bionic retinas, improving electrical conductivity, and reducing power consumption. They achieved this by injecting indium, a soft metal element, into a two-dimensional molybdenum disulfide material. When tested within an electronic retina, the artificial optical synapses produced the high-quality images required for a bionic eye.

Bionic eyes work within existing eye structures and connections to the brain and are designed to return visual function to the patient instead of purely cosmetic replacements. Some bionic eye implants are available currently but are only suitable for cases of blindness resulting from certain eye diseases.

"The current visual systems are based on physically separated sensors, memories and processing units. These systems often have high power consumption and difficulties of performing complex image learning and processing tasks. Therefore, our newly developed method is of great significance for the next generation artificial visual systems,' said Professor Richard Fu or Northumbria University.

You can read more from the team's paper on the new technology, published in Advanced Materials, here.

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NEWS SOURCES:phys.org, doi.org

Adam grew up watching his dad play Turok 2 and Age of Empires on a PC in his computer room, and learned a love for video games through him. Adam was always working with computers, which helped build his natural affinity for working with them, leading to him building his own at 14, after taking apart and tinkering with other old computers and tech lying around. Adam has always been very interested in STEM subjects, and is always trying to learn more about the world and the way it works.

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