Long John Silver is a pirate who always wears a patch over one eye. Whenever Long John goes to battle at sea, he has a difficult time hitting other ships with his cannon. Because Long John has the use of only one eye, he is lacking the depth cue of

Question

Quizplus · Accepted Answer

Retinal disparity is a binocular cue for depth perception that requires the use of both eyes. Since Long John Silver has only one eye, he lacks this cue, making it difficult for him to judge distances accurately.

Long John Silver Is a Pirate Who Always Wears a Patch