Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. For any system of binocular vision, the horopter is a three-dimensional curve which contains all points from which the light will converge into a single image.

from the GNU version of the Collaborative International Dictionary of English

  • n. The line or surface in which are situated all the points which are seen single while the point of sight, or the adjustment of the eyes, remains unchanged.

from The Century Dictionary and Cyclopedia

  • n. The locus of all the points in space which in any position of the eyes form images falling upon corresponding points of the two retinæ.

Etymologies

Sorry, no etymologies found.

Examples

  • The horopter is the set of points that the eye perceives as equidistant from the perceiving subject when the eye is focusing on a single point.

    Hermann von Helmholtz

  • However, in reality the horopter line is a curve, that is, in reality the points are not equally distant from the eye.

    Hermann von Helmholtz

  • The eye perceives points on the horopter as if they were lying on a straight line at a fixed distance from the eye.

    Hermann von Helmholtz

  • The fact that the brain must resolve two distinct images into one accounts for the horopter effect.

    Hermann von Helmholtz

  • Hering and Helmholtz disagree, not about the empirical results or the concept of the horopter itself, but about how to explain the brain's resolution of two images into one.

    Hermann von Helmholtz

  • Page 334 of the horopter; (2) The demonstration of the true nature of the theory of binocular perspective;

    Documenting the American South: The Southern Experience in 19-th Century America

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