Eye focuses at a distance, through which passes a vertical plane {fixation plane} {plane of fixation}, perpendicular to sightline. From that plane's points, eye convergence can make right and left eye images almost correspond, with almost no disparity. From points in a circle {Vieth-Müller circle} in that plane, eye convergence can make right and left eye images have zero disparity.
Consciousness>Consciousness>Sense>Vision>Physiology>Focusing
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Date Modified: 2022.0224