Abstract
In laboratory investigations of the disparity or fu-sional vergence mechanism, it is common to present the observer with isolated objects of regard having differing degrees of retinal disparity and to measure the resulting vergence motor response. However, under more naturalistic conditions, the retinal image may be composed from a complex, multilayered object space involving both overlapping and non-overlapping, spatially discrete object planes producing varying degrees of retinal disparity and defocus. Furthermore, these images frequently occupy an extended area of the retina well beyond the central foveal and macular regions. The task of disambiguating or separating these images in an optimal manner, with the requirement for accurate bifoveal fixation, is likely to represent a complex procedure involving multiple sensory and motor inputs.
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Ciuffreda, K.J., Rosenfield, M., Stark, L. (1991). The Role of Binocular Disparity Vergence Eye Movements in Disambiguating Superimposed Retinal Images. In: Obrecht, G., Stark, L.W. (eds) Presbyopia Research. Perspectives in Vision Research. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-2131-7_21
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DOI: https://doi.org/10.1007/978-1-4757-2131-7_21
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