Optical articles, such as displays, optical lenses, windows, optical
polarizers and transparent films are made as a composite structure
comprising a substrate and an anti-reflective coating applied to the
substrate. The anti-reflective coating comprises: A) a fluoroelastomer
having cures sites selected from the group consisting of bromine atoms,
chlorine atoms, iodine atoms, non-conjugated dienes, and mixtures of two
or more thereof; and B) a non-fluorinated multiolefinic cross linking
agent. The surface of the substrate may be treated by simultaneously
bombarding the surface with an ionized inert gas, and etching the surface
with an ionized reactive gas, so as to improve the adhesion of the
coating to the substrate.