Redesigned Traffic Light Could Assist the Color Blind

Color blindness is a common optical disease that impacts many Americans. Known medically as Daltonism or deuteranopia. In the U.S., 7 percent of the male population (about 10.5 million people) and 0.4 percent of the female population (approximately 620,000 people) suffer from the most common form of color blindness, red-green color blindness. Globally, over 200 million people are believed to be colorblind.

In some countries — such as Romania or Turkey — color blind people are forbidden to drive due to their inability to distinguish between colors on the traffic light. In the U.S. they are free to drive, if they can memorize the order of the signals. However, an even easier solution to helping the colorblind drive has now arrived.

The UNISignal has been created by designers Ji-youn Kim, Soon-young Yang, and Hwan-ju Jeont assist color-blind individuals in detecting traffic signals faster. The new light has a triangular shape for the red (stop) light, a round shape for the yellow light, and a square shape for the green light.


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