Vision: Monocular, Bi-Ocular, Binocular
ARMY MEDICAL RESEARCH LAB FORT KNOX KY
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Psycho-visual problems associated with utilization of monocular, bi-ocular, and binocular visual systems are reviewed in the context of present knowledge. It is noted that simply because an instrument has been designed to be binocular, it is not necessarily so used by an observer. A binocular is frequently a binocular and is often a monocular as it is employed. The ultimate variable that determines which mode of functioning is used lies within the visual system and has not as yet been identified. It is concluded that the design of binocular optical instruments with specificity to their mode of use cannot be achieved until basic research has identified this aspect of the visual system and the variables which control its function.