Tudo sobre visão: revestimentos [em inglês] chemical coating Visión general de las cubiertas de lentes anti-reflective coating All About Vision: Revestimientos de lentes para gafas anti-reflective coating All About Vision: Eyeglass Lens Coatings UV and Scratch Protection All About Vision: Coatings http://www.allaboutvision.com/lenses/coatings.htm Anti-reflecting coatings anti-reflective coating anti-reflective coating