Question

John has more difficulty hitting baseballs that are pitched to him than his classmates do because he was born blind in his right eye. his difficulty can best be attributed to his lack of the depth cue known

Answer 1

The answer is retinal disparity. It is the gap between the eyes that permits binocular vision to generate depth perception. In other words, it is the differentiation between the pictures that each one eye recognizes because of the different angles in which each eye visions the world.