Release date: 2007-01-29
Germany's development of the world's first electronic retina is expected to be put into clinical trials. The doctors and scientists at the University of Tübingen and Regensburg Eye Hospital in Germany have implanted a 3 mm diameter retinal chip for two patients who are blind due to illness. The patient saw a pattern of electrical stimulation and consisting of pixels after surgery, which is the first in the world. According to a recent report by the German newspaper Le Monde, the graft was developed by scientists at the Retina Graft Company in Reutlingen. The microchip has a diameter of about 3 mm and has about 1500 pixels on it. Each pixel cell consists of two photocells, an amplifying circuit and a stimulating electrode. The photocell absorbs light that is incident on the eye and converts it into electrical energy. This energy is used to control the energy input from the outside, and the latter acts to stimulate healthy nerve cells on the retina with electrical signals. The nerve impulses emitted by these cells are transmitted to the brain by the optic nerve, which ultimately forms a visual impression there. It is said that this microchip can be put into clinical use in a few years. Unlike congenital blindness, people who gradually lose their vision due to illness can hardly adapt to their daily lives by relying on their other senses. Age-related macular degeneration and retinitis pigmentosa are common eye diseases that cause necrosis of the visual cells on the retina and eventually blindness. The former is the main cause of blindness in people over the age of 55. The latter can develop in children, and because of the long course of the disease, the condition often becomes irreparable at the time of diagnosis. Meditech Medical Network
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Appearance
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Model Number
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Country of Origin
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Package
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Storage
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