Peril Sensitive Sunglasses. Joo Janta Super-Chromatic Peril Sensitive Sunglasses have been specially designed to help people develop a relaxed attitude to danger. At the first hint of trouble, they turn totally black and thus prevent you from seeing anything that might alarm you. A double-pair is frequently worn by. 23 May You put on a glasses and they display in real time: You're looking at a street and see various cars. Glasses display information right above them: where the driver is headed and whether or not he can take hitchhikers. You know who to make contact with to get where you want to go. The glasses could be. 1 Feb "to help you develop a relaxed attitude to danger. at the first hint of hint of trouble, they turn totally black, and thus prevent you from seeing anything.