BLUE LIGHT FILTERING: These iconic glasses feature embedded Blue Light filtering material which reduces blue light by at least 20%, filtering out the highest energy wavelengths from computer screens. These glasses also filter out 100% of UV light, including harmful UVA, UVB and UVC Size: 53/20/145. Suitable for everyday wear and outdoor activities VISIT THE RAY-BAN BRAND SHOP: Click on the Ray-Ban link above to shop the entire Ray-Ban collection