ULSAN, South Korea – Researchers in South Korea have developed a contact lens that measures glucose levels in tears, which could help people with diabetes monitor their condition. “Recent advances in wearable electronics combined with wireless communications are essential to the realization of medical applications through health monitoring technologies,” wrote the researchers in a study published recently in Science Advances. The lens, which can also measure intraocular pressure, is constructed of stretchable and transparent nanomaterials with embedded sensors and wires. “The resulting soft, smart contact lens provides real-time, wireless operation, and there are in vivo tests to monitor the glucose concentration in tears and, simultaneously, to provide sensing results through the contact lens display,” the researchers wrote. The lens has been tested in rabbits to date.
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