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'Super-Vision' Contact Lenses Let Wearers See in the Dark — Even with Their Eyes Closed

  • A team of scientists in China created contact lenses that enable users to perceive infrared light, with their findings published on May 22, 2025.
  • The lenses convert invisible infrared wavelengths from 800 to 1,600 nanometers into visible light using nanoparticles embedded in a flexible polymer.
  • Tests showed mice wearing the lenses detected infrared light and humans could perceive flickering infrared signals, especially when their eyes were closed due to better eyelid penetration.
  • Lead author Tian Xue noted that their findings could lead to wearable technologies, such as contact lenses or glasses, that enhance human vision beyond natural capabilities, although the current lenses depend on bright LED light sources and have limited image clarity.
  • The lenses might enable new applications in security and rescue but need improved sensitivity and clarity before practical use or aiding color-blind individuals.
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La Vanguardia broke the news in Granada, Spain on Thursday, May 22, 2025.
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