More Incredible Vision FunctionsA few years ago we reported on fascinating eye movement research. If you stare at a horizontal line first, then a circle appears stretched out, like an ellipse. This simple fact was ingeniously used in an experiment to study how signals from the eye are processed. Our eyes move several times per second. If we were aware of what our eyes were seeing we’d have difficulty making sense of such rapid movements. As it is we don’t sense such movements, and one theory held that the signal processing in our vision system deleted certain scenes to keep the image steady in our brains. But when human subjects were shown a horizontal line too quickly to be sensed, they nonetheless then saw a circle as an ellipse. In other words, even those scenes of which we are not aware have an effect on the scenes that we do see. Now an equally ingenious and complicated experiment helps to explain tiny eye movements of which we are barely aware.
When you are trying to fix your gaze on an object your eyes will occasionally, and seemingly without reason, make rapid, tiny movements away, temporarily disrupting your focus and concentration. Evolutionists long thought that these so-called microsaccades were nothing more than useless, random twitches. But the new research found that just prior to a microsaccade our visual perception is altered in a very specific, repeatable manner. Specifically, objects in the center of our vision appear more toward the periphery, and objects in the periphery appear more toward the center. In a complicated way this spatial compression works together with the microsaccade in allowing us to maintain our situational awareness while otherwise concentrating and focusing on one object.
Once again science finds that our vision system is even more complex than we thought, and the evolutionary narrative, that a few mutations created and modified a few genes from which arose fancy new vision capabilities, has become that much more unlikely. How could microsaccades and the spatial compression logic and wiring have evolved to all work together?
Evolutionists call this the fallacy of incredulity. Complex organs and structures, they say, are not problems for evolution just because we cannot explain how they could have evolved. These are not problems, evolutionists explain, because they will be resolved by future research. But how do we know that? So while evolution is a fact, there nonetheless are myriad biological designs which evolution cannot explain.