Human beings can ’ t perceive the miniscule difference in the timing of the images and the “ persistence of vision ” effect enables the brain to knit the two scenes together into a single 3D image.
由於雙眼影像的時間差極短、人類無法察覺，在「視覺暫留」作用下，觀眾就會在腦中將這兩個畫面整合成單一的立體影像。