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Now, a device that can substitute a damaged retina

London, Nov 13: A recent paper published in the ACS journal Nano Letters reveals a new device developed by scientists that could significantly benefit those with age-related macular degeneration (AMD) of the eye.

What does the device do?

The device is wireless and light-sensitive, flexible film that could potentially substitute a damaged retina. Developed by the team of researchers at Tel Aviv University, the Hebrew University of Jerusalem' Center for Nanoscience and Nanotechnology and Newcastle University in Britain , the device is tested with a chick retina that normally does not respond to light. The researchers found that the film absorbed light and, in response, sparked neuronal activity. In comparison with other technologies, the researchers conclude theirs is more durable, flexible and efficient, as well as better able to stimulate neurons. (Read: What you don t know about retinal detachment could make you go blind!)

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How will patients with AMD benefit?

'Patients with one type of eye disorder called age-related macular degeneration (AMD) could potentially benefit from such a device,' said Yael Hanein from the Tel Aviv University in Israel. AMD usually affects elderly people, who have damage to a specific part of the retina, thereby limiting their vision. Scientists have been trying different approaches to develop an implant that can 'see' light and send visual signals to a person's brain, countering the effects of AMD and related vision disorders. (Read: Now a new retina protein could help prevent blindness)

But the attempts so far have involved metallic parts and cumbersome wiring, and have low resolution. 'The new technology uses semi-conductor nanorods and carbon nanotubes which are safe,' the authors concluded in a (Read: Expert tips to keep your eyes healthy)

Source: IANS

Photo source: Getty images


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