Edwin is able to see normally in low-light conditions and demonstrates a normal ability to detect movements in his periphery.However,he has great difficulty recognizing different colors.He sees the world mostly in shades of gray.Which structure is either impaired or not present in Edwin's eyes?
A) fovea
B) cornea
C) rods
D) cones

Question

Quizplus · Accepted Answer

Cones are responsible for color vision, and if they are either impaired or not present, it can result in difficulty recognizing different colors and seeing the world mostly in shades of gray. The other options, such as the fovea, cornea, and rods, are not responsible for color vision.

Edwin Is Able to See Normally in Low-Light Conditions and Demonstrates