An old video with a quick explanation of the light spectrum and why 365nm is important to us as fluorescent mineral collectors (as well as filters) compared to 385nm LED lights (without filters). Of course this video is trying to sell something: a 365nm LED light for >$1,000. Obviously there are better alternatives now, but it is a good explanation of UVA (longwave) and visible light.
Cataract Surgery and Fluorescent Minerals: Changes in Color and UV Sensitivity
Cataract surgery can produce noticeable changes in the way fluorescent minerals—and colors in general—appear. These changes result...