Features： 1、Flexible Glasses Leg: Embedded screws are used at the joints of the glasses leg, the rotation of the glasses leg is more flexible, easy to wear. 2、Special Coating: There is a special coating on the lens that can filter specific wavelengths of light, allowing colorblind people to improve color distinguishing ability. 3、Improve Color Vision: Color blind glasses can effectively improve the color vision of color blind patients. The brain achieves the effect of distinguishing red and green colors by analyzing and comparing the color difference between the objects seen by the two eyes. 4、Stylish Appearance: Beautiful and practical, color blind glasses look no different from ordinary sunglasses, suitable for use in everyday life. 5、Portable Design: Light weight and small, equipped with a glasses case for easy storage, convenient to carry, suitable for art chemical industry, construction design, etc. Specification： Item Type: Color Blind Glasses Material: TR Style: Unisex Scope of Application: Suitable for art chemical industry, construction design, etc. Package List： 1 x Color Blind Glasses 1 x Glasses Case