| http://www.w3.org/ns/prov#value | - The polymeric photochromic laminate may be applied to flat, textured or curved surfaces, including lens blanks, semi-finished lenses, finished lenses and composite lens blank, suited to the production therefrom of a light-changing surface or lens having good photochromic efficiency and durability, can be prepared in a simple and efficient manner from low-cost photochromic light-transmissive lens-f
|
