| Summary: | That a link exists between vision and knowledge cannot be denied, but this link is by no means straightforward, and can function in either direction. In order to describe it accurately, the distinction between information and knowledge must first be clarified. We must then examine that which, in our visual perception, really stems from the stimuli, as opposed to that which results from some reworking by the brain. And finally we need to investigate how a global visual image can be transformed into a linear verbal sequence. We may then analyze a series of examples, some very famous, that illustrate the role of vision in such fields as epistemology, general science, techniques, teaching and finally in poetic and symbolic imagination.
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