
PUPIL Definition & Meaning - Merriam-Webster
The meaning of PUPIL is a child or young person in school or in the charge of a tutor or instructor : student.
Pupil - Wikipedia
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 …
Pupil Function and Disorders That Affect It - Verywell Health
Apr 22, 2025 · The pupil is the opening located in the center of the iris of the eye. It controls the amount of light that enters the eye so that you can see clearly. The pupil size is controlled by …
Pupil of the Eye: Definition, Anatomy & Function
Oct 4, 2022 · 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.
Pupil - Definition and Detailed Illustration - All About Vision
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 | English meaning - Cambridge Dictionary
pupil noun [C] (EYE PART) the circular, black area in the center of the eye that gets larger and smaller and lets in light (Definition of pupil from the Cambridge Academic Content Dictionary © …
Pupil | Iris, Optic Nerve & Retina | Britannica
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 of pupil by The Free Dictionary
n. The apparently black circular opening in the center of the iris of the eye, through which light passes to the retina. [Middle English, from Old French pupille, from Latin pūpilla, little doll, …
Pupillary Responses | Stanford Medicine 25 | Stanford Medicine
The pupil has tight neurological control and abnormalities of this control correlate with underlying diagnoses. The exam and those diagnoses are covered here.
pupil | meaning of pupil in Longman Dictionary of ...
pupil meaning, definition, what is pupil: someone who is being taught, especially ...: Learn more.