Feature:1. BLINDNESS CORRECTING: These color blind glasses look just like regular sunglasses. But after wearing, you can see a more vivid scene, feel like putting a filter on the glasses. And ordinary people can also wear color blind sunglasses, also can feel the effect of color enhancement2. SUITABLE CROWD: This color blind glasses can effectively realize color resolution. The brain determine the effect of red and green colors by comparing the color difference between the two eyes. At the same time, color blind glasses also add light, suitable for people who are both color blind and color weak people3. ENHANCED COLOR: The lenses have a special coating that filter the light that reach the wearer eyes. While normal sunglasses filter out every wavelength of light in the entire spectrum, these color blind glasses filter only certain bands of light, making the colors seen brighter and more saturated, thus enhancing the effect of color4. HOW IT WORKS: Color blind glasses render white and neutral more accurately, and increase contrast, deepen depth perception, and make your world more colorful5. SUPERIOR CLARITY: Color blind optical provide superior optical clarity with impact resistance, filter out harmful UVA and UVB light. The waterproof and scratch resistant coating make the lenses durable and easy to cleanSpecification:Item Type: Color Blind GlassesMaterial: Resin, TR90.Package List:1 x Color Blind Glasses1 x Eyeglass Cloth1 x Eyeglass Case1 x Eyeglass Rope