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  1. Pupil Services - Riverside Unified School District

    The Pupil Services Department provides a variety of services to school site staff, students and parents. These service areas include:

  2. Pupil - Wikipedia

    The pupil is a hole located in the center of the iris of the eye that allows light to strike the retina. [1] It appears black because light rays entering the pupil are either absorbed by the tissues inside the eye …

  3. Pupil of the Eye: Definition, Anatomy & Function - Cleveland Clinic

    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.

  4. Pupil Function and Disorders That Affect It - Verywell Health

    Jan 6, 2026 · The pupil controls how much light enters the eye, allowing for clear vision. In low light, pupils widen to let in more light, and in bright light, they narrow to prevent too much light from entering.

  5. 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.

  6. Human eye - Pupil, Iris, Retina | Britannica

    Dec 29, 2025 · The amount of light entering the eye is restricted by the aperture in the iris, the pupil. In a dark room, a person’s pupils are large, perhaps 8 mm (0.3 inch) or more in diameter. When the room …

  7. 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 the retina to …

  8. 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 © Cambridge …

  9. Pupil Services - jurupausd.org

    Educational Equity: Functions include but are not limited to attendance, child welfare, discipline, foster students, guardianship, residency, William's compliance, uniforms, and complaints.

  10. Your Pupils and Eye Disorders, Nerve Problems, Concussion

    Dec 4, 2024 · Pupils are the dark-colored openings at the center of your eyes that let light in. Doctors can look at your pupils for clues about your health. The size of your pupils and how they react to...