
09/03/2025
Japanese researchers at the University of Tokyo have developed contact lenses that deliver true night vision without external devices.
Using graphene-based sensors, the ultrathin lenses detect infrared light, the heat emitted by people and objects and convert it into visible images projected directly onto the retina.
Remarkably, they operate without batteries, drawing energy from body heat and the natural motion of blinking.
Early tests show users can spot hidden people, objects, and heat leaks in total darkness.
Beyond security, applications could revolutionize healthcare, enabling doctors to visualize blood vessels and tissue changes non-invasively.