The contact lenses that let you see in the DARK: Scientists develop transparent infrared lenses - and they even work with your eyes closed READ MORE: What your eyes say about you, according to science ...

The contact lens technology uses nanoparticles that absorb infrared light and convert it into wavelengths that are visible to mammalian eyes (e.g., electromagnetic radiation in the 400–700 nm ...

For example, flickering infrared light could be used to transmit information in security, rescue, encryption or anti-counterfeiting settings.” Mice, morse code, and multi-color IR detection ...