It is believed by the author that the perception of 3D depth in human vision is made possible by the unusual distribution of cones in the retinae, together with the complete lack of correction for chromatic aberration in the dioptrics of the eyes. Together, as discussed & demonstrated in the section on retinal interactions, these lead to what I have termed the widescale receptive field which has a resolution possibly around 27 - 30 times lower than that of the primary, midget receptive field.

In addition, since the driving forces for this low resolution receptive field are essentially (R+G) & B (or Y & B), they turn out to be extremely well-appointed to work well in generating 3D perception when driven by the BY anaglyph image data as provided by the Colorcode3D form of anaglyph presentation via amber & deep blue filter glasses.

Alternate methods of providing perception of 3D via shutter glasses or polaroid glasses are considered to be more obviously practical. As such they are discussed together with various anaglyph forms of visual presentation in the report “Theory and practice of general perception of 3D relative depth - 2011 update.pdf” to be found with other downloadable reports.

Finally a method has been developed by which stereo pairs of images can be processed such that a single composite 2D image is created which nevertheless contains sub-liminal information permitting 3D perception without any optical or visual aids. This is discussed and demonstraterd in the report “Naked Eye 3D perception from conventional 2D displays.pdf”.