A low light level reaching the visual receptors will trigger the pupillary reflex.

Name: A low light level reaching the visual receptors will trigger the pupillary reflex.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The pupillary reflex is a reflexive response of the pupils to changes in light levels. When there is low light level reaching the visual receptors, the pupils will dilate in response to allow more light to enter the eye and improve vision in dim conditions. This is part of the pupillary reflex.

A Low Light Level Reaching the Visual Receptors Will Trigger