Anti-reflective coatings are used in many applications to reduce glare and prevent double images. Double images in particular are a concern because of the several layers involved in a cockpit window. More high-tech optical coatings can also have other desirable properties such as reducing UV and IR light transmission. There is some evidence of them being used in industry, like this patent for a windscreen. On a related note, cockpit instruments have a limit for maximum reflectivity of their glass/plastic surface and sometimes use anti-reflective coatings.
I started thinking about this because of a recent question on why windscreens aren't more reflective.
However, I can't find many examples of anti-reflective coatings (possibly because of the harsh environmental conditions?). UV and IR protection seem to be mostly through tinting instead of coating.
Do any production aircraft use anti-reflective or other coatings? Why or why not?