To see an object in dim light conditions, one orients one's eyes such that the object projects an image on to __________.
A) the fovea
B) the periphery of the retina
C) the area where the optic nerve exits the retina
D) cone-shaped receptors

Question

Quizplus · Accepted Answer

The periphery of the retina contains a higher concentration of light-sensitive rod cells, which are more effective in dim light conditions than the cone cells that are concentrated in the fovea. The area where the optic nerve exits the retina does not contain any photoreceptor cells. Cone-shaped receptors are not effective in dim light conditions.

To See an Object in Dim Light Conditions, One Orients