Anaglyph 3D is the name given to the stereoscopic 3D effect achieved by means of encoding each eye's image using filters of different (usually chromatically opposite) colors, typically red and cyan. Red-cyan filters can be used because our vision processing systems use red and cyan comparisons, as well as blue and yellow, to determine the color and contours of objects. Anaglyph 3D images contain two differently filtered colored images, one for each eye. When viewed through the "color-coded" "anaglyph glasses", each of the two images reaches one eye, revealing an integrated stereoscopic image. The visual cortex of the brain fuses this into perception of a three dimensional scene or composition.
What's behind those 3D glasses? Could it be a master of puzzle solving? Maybe it's something mysterious or supernatural. 3D glasses can change your perception of what your seeing. I guess one could say your seeing it different. But in the end it's all an illusion. This is just a simple puzzle so if your seeing it different maybe you're over thinking it. This is just a fun keyword puzzle, so have fun with it.
You can validate your puzzle solution with certitude.