The color limit of sunglasses

 To simulate the observation of yellow and green traffic signals through the Mens Prescription Sunglasses lens and the observation of average daylight through the lens, it is stipulated in the standard that the corresponding color coordinates should be located in the corresponding area of chroma. If the measured color coordinate value exceeds the specified color limit area, it will lead to confusion of various traffic signals, which is one of the hidden dangers of traffic accidents. Traffic signal transmission ratio, through the lens observation of red, yellow, green traffic signals, standards for the corresponding traffic signal transmission ratio is: the red signal should be ≥8%; ≥6% for yellow and green signals; If the transmission ratio of various traffic signals is too low, the recognition ability of signals will be reduced, which is also one of the hidden dangers of traffic accidents. Requirements for marking, each pair of Rectangle Gunmetal Eyeglasses should indicate the implementation of the standard code (QB2457, etc.), category (sunshade mirror or light-colored Cheap Womens Sunglasses, etc.) and the name and trademark of the manufacturer. Category marking, so that consumers can choose Womens Sunglasses Sale according to the use and place of the correct purchase.