Scientists in China have developed contact lenses that let wearers see light normally invisible to the human eye. Cooler still, the lenses work better through closed eyelids, and other versions could help correct color blindness.

Combining regular lens technology with nanoparticles, researchers have created prototypes of contact lenses that allow people to see in the dark — and through their eyelids.

Neuroscientists and materials scientists have created contact lenses that enable infrared vision in both humans and mice by converting infrared light into visible light. Unlike infrared night vision goggles,