An experiment to try If you ever have access to different color lasers. In a moderately lit large indoor room shine each color laser on a far wall 50' should be good. For each color you should see exactly one dot on the wall. Surprisingly what some of you may find like i did is that the blue laser you may see more than 1 dot ...i could clearly see 4 dots in a square pattern about 4" apart. This is the effect of your eyes not being able to focus on different colors (wavelengths) of light to the same degree of quality. and that distorted color will composite itself with all the other colors into what you see and distract from the true image. just like listening to music with an aggravating background noise or hiss hides some fidelity and detracts from the perception of the true sound.
For bright headlights in the blue spectrum you could see how filtering it will remove this noise from the picture.
For bright headlights in the blue spectrum you could see how filtering it will remove this noise from the picture.