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4. Okt. 2022 · The pupil of your eye is the black hole in the middle of your iris. Your iris is the colored part of your eye. Muscles in your iris control how big the pupil is. Usually, this happens as a result of how much light is available. This makes the pupil an important part of your vision system.
27. Feb. 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 begin the process of sight. Typically, the pupils appear perfectly round, equal in size and black in color.
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 directly, or absorbed after diffuse reflections within the eye that mostly miss exiting the narrow pupil. [citation needed] .
30. Okt. 2023 · 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 iris. The pupil’s function is to allow light to pass through and enter the eye. This light then interacts with the cells of the retina, working as part of the visual pathway to provide the ability of ...
23. Apr. 2024 · 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. The size of the opening is governed by the muscles of the iris, the coloured part of the eye. These muscles rapidly constrict the pupil.
1/3. Synonyme: Keine. Die Pupille ist der kleine schwarze Kreis in der Mitte des Augapfels. Um die Pupille herum befindet sich der farbige Teil des Auges, die Iris. Die Funktion der Pupille besteht darin, den Lichteinfall zu regulieren.
The pupil of the human eye can range in size from 2 mm to over 8 mm to adapt to the environment. The human eye can detect a luminance from 10 −6 cd/m 2, or one millionth (0.000001) of a candela per square meter to 10 8 cd/m 2 or one hundred million (100,000,000) candelas per square meter.
