About 599,000 results
Open links in new tab
  1. 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 …

  2. 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.

  3. 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.

  4. 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 …

  5. 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 …

  6. 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.

  7. 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 © …

  8. Pupil: Anatomy, Function, and Related Eye Conditions

    Mar 1, 2024 · What is the Pupil? The pupil is an opening in the iris located directly in the centre of the eye and covered by the cornea. Light passes through to the retina as the iris adjusts the …

  9. What is the Pupil of the Eye and Why is it Important?

    Oct 14, 2024 · What is the Pupil of the Eye and Why is it Important? The pupil is a small, round opening in the iris’s center, the coloured part of the eye. It plays a critical role in vision by …

  10. Pupil: anatomy, structure and function | Kenhub

    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, …