Which Element’s Oxide Is Used to Prepare Coloured Lenses in Sunglasses?
Sunglasses Composition and Elements Sunglasses come in various lens colors. Each color blocks different light wavelengths. Gray, brown, and green lenses block brightness and glare. They cause little color distortion. Photochromic lenses contain silver salts. They darken in sunlight and lighten indoors. Polarized lenses block horizontal light waves. This reduces glare from water, snow, cars, … Read more