― A revolutionary new concept in eyewear has just been presented. To facilitate the lives of blind people, the designer Xu Guang-suo had an idea much thought. Navigation Glasses baptized, is a concept of eyewear navigation. To do so, the pair of glasses includes a headset. ∙ The glasses are equipped with sensors that detect the elements around the person. The information is then returned as auditory feedback. These glasses work like a sonar that enables its wearer to interpret the world [...].