Skeffington, who introduced the functional focus of vision analysis, emphasized how the control of one's posture and movement influences the proper development of complete visual function. Recognition of the interdependence of posture, movement and vision opens a new door of understanding of how the body functions as a single unified entity and the ineffectiveness of isolating various functions in an attempt to understand global human behavior. Once the interdependence of the sensorial systems in all their richness is fully appreciated, there can be a morecomplete understanding of how what happens in one area affects all other areas. This presentation emphasizes the parallels and the interactions between the development of posture and movement control, and the optimal development of the basic visual functions essential to learning. It is very important to define vision beyond the simple act of receiving a lighted impulse and to consider vision as a learned process in which meaning is given to the visual stimulus. This stimulus is then combined with other sensory stimuli, resulting in a physical or mental action. Therefore it is inadequate to think of visual function as being located only in the
eyes. It is a process that involves much more than just that specific receptor.
