The purpose of the intrinsically photosensitive retinal ganglion cell (ipRGC) photoreceptors are
A) to give clear sharp vision.
B) to allow us to see in dim light.
C) to replace rods as we age.
D) influence the circadian rhythm.
E) to provide color vision.

Question

Quizplus · Accepted Answer

The intrinsically photosensitive retinal ganglion cell (ipRGC) photoreceptors play a crucial role in regulating the circadian rhythm by detecting the presence or absence of light. They are particularly sensitive to blue light, which is important in resetting the body's internal clock.

The Purpose of the Intrinsically Photosensitive Retinal Ganglion Cell (IpRGC)