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4. Okt. 2022 · The pupil is the black hole in the center of the colored part of your eye (iris). The pupil is the pathway that lets light get to your retina.
27. Feb. 2019 · Learn what the pupil is, how it functions, and how it can be affected by various conditions. The pupil is the opening in the center of the iris that controls how much light enters the eye.
The pupil is a hole located in the center of the iris of the eye that allows light to strike the retina. 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.
30. Okt. 2023 · The pupil is the small black circle in the center of the eye that regulates the amount of light entering the eyeball. Learn about its location, function, and how it changes size under different light conditions on Kenhub.
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29. Apr. 2023 · Learn about the structure and function of the eye, from the outside to the inside. The pupil is the dark hole in the center of the iris that controls the amount of light entering the eye.
23. Apr. 2024 · Learn about the pupil, the black centre opening within the iris that controls the amount of light entering the eye. Find out how the pupil size changes in response to light, focus, and other factors, and how it can be affected by disease or injury.
pupil. 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 is lighted, there is an immediate constriction of the pupils, the light reflex.
