Infrared contact lenses let you see in the dark

Imagine slipping on a pair of contact lenses and suddenly being able to see infrared light. That's the reality created by a team of scientists who've developed nanoparticle-infused lenses that grant wearers "super-vision."

In tests, both humans and mice could detect infrared signals and even discern their direction - but only while wearing the special lenses. Surprisingly, subjects performed better with their eyes closed, as infrared penetrates eyelids more effectively than visible light.

"Our research opens up the potential for non-invasive wearable devices to give people super-vision," says neuroscientist Tian Xue. The technology could revolutionize security, rescue operations, and anti-counterfeiting measures.

While current prototypes have limitations, including scattered light particles and LED-only detection, researchers are optimistic about future refinements. The next step? Creating lenses with higher sensitivity and more precise spatial resolution.