In order to establish a dark adaptation curve for cone photoreceptors,the test light that the par- ticipant adjusts would be
A)shown away from the fovea.
B)shown directly on the fovea.
C)shown to both the foveal and peripheral regions of the retina.

Question

Quizplus · Accepted Answer

Cone photoreceptors are densely packed in the fovea, the central part of the retina, and are responsible for high-acuity vision in bright light conditions. To establish a dark adaptation curve specifically for cones, the test light should be shown directly on the fovea.

In Order to Establish a Dark Adaptation Curve for Cone