But scientists have developed contact lenses that allow people to see ... light levels which allows for a grey scale between black and white. Humans, and many other animals, have three types ...

Researchers have developed experimental contact lenses that use nanoparticles to convert the invisible wavelengths of ...

HVC, a division of Clerio Vision, is best known for its Extreme H20 contact lenses. As a result of the acquisition, HVC was renamed Black Pearl Vision and became the first of its kind.