Most actors have to wear colored contact lenses to make these purple ... certain eye conditions. Eye color is determined by the amount of melanin in the front layers of the iris. Dark brown ...

Yuqian Ma, Yunuo Chen, Hang Zhao Scientists have developed infrared contact lenses that they say allow people to see in the dark — and more shockingly, see with their eyes closed. By combining ...

New lenses turn invisible infrared light into visible images, a study found. Humans can now see in the dark -- and even with their eyes closed -- using nanotechnology contact lenses that turn ...

Contact lenses ... brown, which can disrupt everyday situations like looking at traffic lights. Past research has set out to correct the problem using gene therapy to grow new cones in the eyes ...