Apr 22, 2025 · A pupil is the opening created by the iris, which controls the amount of light that enters the eye. Learn about medical conditions affecting the pupils.

In optical terms, the anatomical pupil is the eye's aperture and the iris is the aperture stop. The image of the pupil as seen from outside the eye is the entrance pupil, which does not exactly …

The pupil of your eye, the black hole in your iris, works with the lens to send light to the retina, where it becomes electrical signals sent on to the brain through the optic nerve.

The meaning of PUPIL is a child or young person in school or in the charge of a tutor or instructor : student.

Feb 26, 2019 · The pupil is the opening in the center of the iris (the structure that gives our eyes their color). The function of the pupil is to allow light to enter the eye so it can be focused on …

Pupil, in the anatomy of the eye, the black centre opening within the iris through which light passes before reaching the lens and being focused onto the retina.

PUPIL definition: 1. a person, especially a child at school, who is being taught: 2. someone who is being taught a…. Learn more.

The pupil’s primary function is to control the amount of light entering the eye, ensuring optimal visual performance under varying light conditions. Its ability to adjust in size is key to …

Oct 30, 2023 · Structure of the eyeball seen in a transverse section. The pupil is the small black circle located in the center of the eyeball. Surrounding the pupil is the colored part of the eye, …

The pupil has tight neurological control and abnormalities of this control correlate with underlying diagnoses. The exam and those diagnoses are covered here.