Feature:1. To Prevent Hard Light: Our colorblind glasses adopts unique filter technology and special mirror coating to protect your eyes from hard light.2. Color Perception: Improve your daily life by allowing you to better perceive all colors. No longer have to contend with indistinguishable colors.3. Increase Contrast: Our colorblind glasses are designed to help reduce distortion and increase contrast in all colors not just green, red, yellow or blue.4. Indoors and Outdoors: Our color blindness glasses are suitable for indoor and outdoor use, but better in brighter environments to use.5. Men and Women: The color blind corrective glasses has a black modern design frame suitable for both men and women, practical and stylish.Specification:Item Type: Colorblind GlassesMaterial: TRFor people: Suitable for men and womenApplication: Suitable for fine art chemical engineering and construction design.Package List:1 x Colorblind Glasses1 x Glasses CaseNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. The main function of the product is to increase the chromaticity, correct the slight color blindness color weakness people to improve color recognition rate, can not play a therapeutic role.