David has a problem with his vision.He sees very well but everything is in black and white.The problem is most likely with what part of his eye?
A)the cornea
B)the cones
C)the lens
D)the fovea centralis
E)the retina

Question

Quizplus · Accepted Answer

Cones are the photoreceptor cells in the retina responsible for color vision. If David sees everything in black and white, it suggests that his cones are not functioning properly.

David Has a Problem with His Vision