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Knowlton, Marie – Education of the Visually Handicapped, 1986
The article examines evidence of visual impairment caused by excessive amounts of ultraviolet (UV) light. Among considerations when using a source of UV light for vision stimulation are the position of the child and teacher, use of window glass filters or protective glasses, and careful recordkeeping of all UV stimulation. (Author/JW)[
Descriptors: Concept Teaching, Elementary Education, Eye Fixations, Light
Vonder Embse, Charles Bernard, Jr. – 1987
A graph is an example of a symbol system which encodes information through the juxtaposition of marks in a two dimensional plane; decoding the meaning of a graph uses specific attributes of the human visual system. This study was undertaken to identify some variables critical to graph interpretation as a first step in designing better curriculum…
Descriptors: College Mathematics, Data Interpretation, Eye Fixations, Eye Movements