The pupil's main purpose is to control the amount of light entering the eye. This regulation is vital for visual acuity and adaptation to various lighting conditions.
The purpose of the pupil is to regulate the amount of light entering the eye based on external lighting conditions. This is achieved through the contraction or dilation of the pupil by the iris. By adjusting the size of the pupil, it helps in controlling the amount of light that reaches the retina, where photoreceptor cells like rods and cones convert light into nerve impulses for visual perception.
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