Australian researchers implanted bionic eyes in sheep to determine if it helps improve their vision. (Image Credit: Skitterphoto/pixabay)
Australian researchers managed to improve sheep's vision by implanting bionic eyes, called Phoenix 99, behind their retinas. Now, the University of Sydney and University of New South Wales team hope to implant the device in people suffering from blindness, providing them with eyesight. So far, they have filed paperwork for human trials.
Sheep experiments were performed to ensure that Phoenix 99 wouldn't produce unwanted side effects. The team discovered that the tissue surrounding the device wasn't affected and said it could stay in place for many years.
Phoenix 99 wirelessly connects to a small camera mounted on sunglasses. It operates by transmitting electrical signals to the user's retina. Afterward, the optical nerve processes these signals before distributing them to the brain. Experts believe that bionic eyes, such as the Phoenix 99, could become widely popular in a few years. According to a 2021 market research report, the industry could surpass $400 million in value by 2028.
Second Sight is currently developing Orion, a brain implant that could restore vision for people suffering from profound blindness. Meanwhile, Pixium Vision, a France-based company, is running human trials to test Prima, its retina implant-based system. However, these devices are extremely expensive, with some priced at over $100,000. Even with such a high cost, the sight offered by each device is still limited. So far, it can only provide light, shadow, and shape perception.
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