What does anti reflective coating do?
Anti-reflection coating, also called AR coating or anti-glare coating. The main function is to increase light transmission and reduce glare, thus improving the visual effect.
Why is my anti-reflective coating turning yellow?
Most of the eyeglass lenses on the market today have anti reflective coating as well as anti-UV coating. The material in the anti UV film layer will turn yellow under UV light from the sun for a long time.