Traditional pirates often wore eye patches to keep one eye "dark adapted" (fully dilated) so that they could navigate better on dark nights out on the ocean. However, as long as the pirate wears his eye patch over his left eye during the day, visual information he receives in his right eye is conveyed to which side of his brain?
A) both right and left visual cortex
B) right visual cortex
C) left hemisphere
D) visual information is conveyed to the occipital lobe, not the right or left hemispheres

Question

Quizplus · Accepted Answer

Visual information from the right eye is processed by both the right and left visual cortexes due to the way the optic nerves cross at the optic chiasm. This means that information from each eye is sent to both hemispheres of the brain.

Traditional Pirates Often Wore Eye Patches to Keep One Eye