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Glowing Robots Injected Into Eyes May Save Your Sight

Tiny, glowing robots could soon be injected into the eye to alert doctors of low oxygen levels that can lead to blindness. Led by Bradley Nelson, a professor of robotics and intelligent systems at ETH-Zurich, researchers created devices 1 millimeter in length and one third of a millimeter in width that, once injected, can be steered through the eye’s vitreous fluid via external magnetic fields. SEE ALSO: Gesture Reader Lets Blind Decipher Documents Researchers coated the micro-robots with nanospheres made of a special dye that turn the devices into oxygen sensors. When exposed to a certain wavelength of light, the dye glows. Fluorescence that fades quickly indicates a high amount of oxygen surrounding the dye; slow fading indicates low amounts of oxygen. Read more…More about Health, Robots, Science, Blind, and Medical Science

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Glowing Robots Injected Into Eyes May Save Your Sight

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