The region of small disparity around the horopter where the two images can be united into a single perception is known as ______.
A)the Gelb region
B)Panum's area of fusion
C)the area of linear perspective
D)Benham's static parallax

Question

Quizplus · Accepted Answer

Panum's area of fusion refers to the region of small disparity around the horopter where the images from both eyes can be fused into a single perception. This area is also known as Panum's binocular zone or Panum's area of single vision. Choice A, the Gelb region, refers to the area where the left and right visual fields overlap but do not fuse, creating a binocular rivalry. Choices C and D are unrelated to binocular vision and stereopsis.

The Region of Small Disparity Around the Horopter Where the Two