In Plato’s “The Allegory of the Cave,” he suggests that there are two different forms of vision, a “mind’s eye” and a “bodily eye.” The “bodily eye” is a metaphor for the senses. While inside the cave, the prisoners function only with this eye. The “mind’s eye” is a higher level of thinking, and is mobilized only when the prisoner is released into the outside world. This eye does not exist within the cave; it only exists in the real, perfect world. The “bodily eye” relies on sensory perceptions about the world ....