Target crowding in foveal and peripheral stereoacuity.

  title={Target crowding in foveal and peripheral stereoacuity.},
  author={Gerald Westheimer and T. T. Truong},
  journal={American journal of optometry and physiological optics},
  volume={65 5},
Disparity thresholds were obtained for a single point target when surrounded by a hexagonal array of comparison point targets. The experiment was carried out in two observers at the fovea and at retinal eccentricities of 3, 6, and 9 degrees. In each case the array diameter for best stereoacuity was determined. Care was taken that the data represented the optimum performance of the observer for the level of training in peripheral stereo tasks and also for the distance from the horopter. The… CONTINUE READING

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