Smart contact lenses are a sci-fi trope, but they may also offer hope for sufferers of certain kinds of debilitating eye ailments. That’s the goal of new research into a a tunable, low-powered iris embedded in a smart contact lens.It’s a good example of the growing role of nanotechnology in human augmentation and therapeutics. The human iris controls pupil size in response to light, a critical function that allows the retina to take in appropriate sensory information. Too much light and the world is washed out, too little and it’s veiled in darkness. A host of eye diseases and deficiencies inhibit the iris from responding appropriately, including aniridia and keratoconus. Light sensitivity, similarly, is a painful debilitation and is often associated with chronic migraine.Researchers at Imec, an innovation hub based in Belgium, along with partners like CMST, a Ghent University-affiliated research group, the Instituto de Investigación Sanitaria Fundación Jiménez Díaz in Madrid, Spain, and Holst Centre have been developing an low-powered wearable solution. The contact lens’s iris aperture is tunable thanks to an integrated liquid crystal display (LCD) that manipulates concentric rings. ”By combining our expertise on miniaturized flexible electronics, low-power ASIC design and hybrid integration, we have demonstrated the capacity… Read full this story
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