An alien species has a fovea comprised entirely of rods, with cones found in increased concentrations in the periphery of the retina. Which of the following statements is correct?
A)
To focus upon the details of an image, the alien should move its eyes so the image falls on its fovea.
B)
To see something most clearly in dim light, the alien should focus the image on its fovea.
C)
The alien will have the highest visual acuity in the fovea and lower visual acuity in the periphery.
D)
To identify colour in dim lighting conditions, the alien should move its eyes to focus the image on its fovea.
Answer: B