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Researchers at the University of Sydney and the University of New South Wales are advancing a bionic eye system, called the Phoenix 99, to help restore vision for people with blindness.
In recent trials, the device was successfully implanted in sheep to assess its safety and potential side effects. Over a three-month period, the animals tolerated the implant well, showing no unexpected physical reactions around the bionic eye. Encouraged by these results, the researchers have now applied to begin human trials.
The Phoenix 99 system is designed to bypass damaged retinal cells in the eye, which are responsible for vision loss, and stimulate those that are still functional. The device works in conjunction with a small camera mounted on glasses. The camera captures images and wirelessly transmits visual information to the implanted device, which then sends signals to the retina. This information is processed by the brain, helping the patient perceive light and shapes
This research holds promise for treating a range of vision impairments, particularly in individuals who have lost their sight due to retinal diseases. While the technology is still in its early stages, similar devices like the Argus II from Second Sight have already been implanted in hundreds of patients worldwide, offering hope to those with limited vision.
The Phoenix 99 system represents a significant step forward in bionic eye technology, but challenges remain, particularly in improving the precision of the vision restored and reducing costs.
Experts like ophthalmologist Dr. Diane Hilal-Campo are optimistic about future developments, believing that ongoing advancements in biotechnology could make such treatments more accessible and effective for millions of people suffering from blindness globally. Human trials of the Phoenix 99 are expected to shed further light on its potential to restore vision.
