Views:1 Author:Site Editor Publish Time: 09-16-2019 Origin:Site
Yellow lens can absorb 100% of ultraviolet rays, and allows 83% of visible light and infrared rays penetrate the lens.
Yellow lenses greatest feature is to absorb a large part of the blue light. Because when the sun light through the atmosphere, mainly blue light show (which may explain why the sky is blue).
Yellow lenses absorb blue light later, you can make more clearly the nature of the scene, so often used as yellow lenses "filter" or hunters use when hunting.
Strictly speaking, such lenses are not sunglasses, because it almost does not reduce the visible light, but in the foggy and dusk, yellow lenses to increase contrast and provide a more accurate video, it is also known as night-vision goggles.
Percentage of young people wearing yellow lenses "sunglasses" as a decorative use, glaucoma and performers need to improve the visual brightness of the patient to choose from.