Researchers in China have created innovative infrared contact lenses that enable visibility in darkness by transforming infrared light into colors visible to the human eye. Using a combination of soft contact lenses and nanoparticles, the lenses facilitate the upconversion of infrared wavelengths (800-1,600 nm) into visible light. Although images appear somewhat blurred due to light scattering by nanoparticles, this technology presents a more practical alternative to traditional night vision devices, offering considerably enhanced vision capability without invasive measures.
"Researchers at the University of Science and Technology in Hefei, China, have developed infrared contact lenses that convert infrared light into visible light, allowing humans to see in the dark."
"The upconversion contact lenses use nanoparticles to enrich long infrared light waves with energy, converting them into visible light across three primary colors for human perception."
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