Feature:1. A special coating on the lens filters out certain wavelengths of light, allowing colorblind people to improve their color resolution.2. The fashionable look of colorblind glasses is indistinguishable from ordinary sunglasses.3. You can see more vivid images and feel like you've put a filter on your glasses. When wearing colorblind sunglasses, you can feel the effect of color enhancement.4. Color blind glasses can effectively improve the patient's color vision and color resolution. The brain is able to distinguish between red and green colors by analyzing and comparing the color differences between what the eyes see.5. Additional luminosity, suitable for both colorblind and nearsighted people.Specification:Item Type: Corrective GlassesMaterial: PC Color: As Pictures Shown Weight: Approx. 115g/4.1ozStyle: Full frameStyle: UnisexComes with Box.Package List:1 xCorrective Glasses 1 x Wiping Cloth Note:The product is only for redgreen color blindness, it will not be effective if it is not redgreen color blindness.