London: New high-tech spectacles that could cure colour blindness and allow people to see the full spectrum have been developed by scientists for the first time.Scientists claim the spectacle lenses can cure red-green colour blindness, which affects some women and one in every 10 men.The Oxy-Iso lenses were designed by a US research institute to allow doctors to spot bruising and veins that are difficult to see, `BBC News` reported.Tests suggest the glasses can help to enhance reds and greens in the colour-blind. But they could not be worn by drivers, because they reduce the ability to perceive yellows and blues.Theoretical neurobiologist Mark Changizi, who invented the glasses with Oxy-Iso lenses, believes human colour vision "evolved above and beyond that found in other mammals allowing us to sense colour-signals on the skin, including blushes, blanches, as well as sensing health".
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