Monocular Contribution to Binocular Vision in Normals and Amblyopes
In normal binocular vision the interaction of information from each eye results in “fusion”, or a perceptually single visual world. The nature of the binocular interaction is complex and not yet clear, but dominance is often assumed to play some kind of role. The term “ocular dominance” has been defined in many ways (Walls, 1951) but in general it refers to an increased weighting or preference of the information from one eye to the fused perception. A related phenomenon, “suppression”, has been investigated less often than dominance, but in general the term suppression refers to a decreased weighting or preference, or inhibition, of the information from one eye. Thus, experimental or clinical determination of one eye as dominant would simultaneously define the other eye as suppressed. In actuality, suppression is more often assumed to be under some degree of control by the person, and is more often associated with abnormal vision.
KeywordsBinocular Vision Geometric Pattern Binocular Rivalry Ocular Dominance Retinal Area
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