Artificial retina brings bright "eagle eyes" to the blind.

The technology in another sci-fi album has been realized. Fans of Star Trek should remember the sequel, right? Star Trek: Galactic Dragon? (Star Trek: The Next Generation)? Hawkeye? The black officer wears a special pair of glasses, because he is completely blind from birth and transmits the image directly to his brain nerve, so that he can? Do you see it? Something. 20 13 February, the US Food and Drug Administration officially approved the application of similar technology to human body. What is the name of this new technology? Argos II? (Argos II)-Argos is the name of Cyclops in Greek mythology. The second generation argos is mainly used for patients with retinitis pigmentosa, which is a hereditary disease. Cone cells and rod cells on the patient's retina gradually degenerated, and many abnormal pigment deposits were produced on the retina. The patient's vision gradually decreased, and the visual field gradually disappeared from the periphery, and finally appeared as if in a tunnel, and finally he was completely blind. Because the optic nerve and retinal nerve conduction system of patients with retinitis pigmentosa function normally, only photoreceptor cells lose their functions, so if tiny electrodes are implanted in the patient's retina to discharge retinal nerves, the patient's brain will feel some kind of vision. Argos II applied this principle, and implanted 55 electrodes in the patient's retina. The patient wore special glasses and a miniature camera. The scene captured by the camera is converted into different signals, which are sent by the antenna on the glasses, received by the antenna on the eyeball and transmitted to the electrode of the retina, so that the patient can feel a certain degree of vision. This kind of vision, in fact, really can't see anything, because the human retina originally had 4.5 million cone cells and 90 million rod cells, but now it has only been replaced with 55 electrodes. Can you imagine? Resolution? To what extent will it be reduced? The distribution of 55 electrodes can only make patients have vision of about 20 degrees. However, although patients can't read books or newspapers, they can vaguely distinguish the surrounding environment and avoid obstacles, which is of great help to patients' lives. The whole project is funded by many American institutions, including the National Science Foundation, the National Institutes of Health and the Department of Energy, with a total capital injection of 65,438 billion US dollars, and some private investments are equivalent to those of the United States. Argos II has been licensed in Europe and can be tried on 50 patients. Now it has been approved by the US Food and Drug Administration. At present, about 654.38+ 0000 to 654.38+05000 patients with retinitis pigmentosa in the United States are expected to be the first candidates for the second generation of argos. Argos's second-generation technology also has the opportunity to benefit patients who are blind due to other diseases, such as age-related macular degeneration. In the future, with the progress of technology, the number of electrodes can be increased, and perhaps the day when the blind can see completely in a few decades will really come. Subscribe to the health Aloha audio-visual channel, read health knowledge more easily, and pay attention to your health every day! Line @ ID: @:/beauty/article/8616/Artificial retina brings light to the blind. Key words: technology, artificial retina, blind, eagle eye, US Food and Drug Administration, heredity.