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4 de out. de 2022 · Learn about the pupil, the black opening in the iris that controls how much light enters your eye. Find out what conditions and disorders can affect the pupil and how to keep your eyes healthy.
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] .
27 de fev. de 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.
30 de out. de 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.
- Content Manager
- 26 min
A pupila é uma estrutura preta e circular localizada no centro do olho. Ao redor da pupila encontramos a parte colorida do olho, a íris. A função da pupila é permitir a passagem e entrada da luz no olho. A luz pode então interagir com as células da retina, dando início à via visual, que nos dá a habilidade de enxergar.
8 de nov. de 2023 · Learn about the function, control, and significance of the pupil, the opening in the center of the iris that regulates light entry. Find out how pupil size can indicate health problems and what causes uneven pupils.
23 de abr. de 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, focusing, and other factors, and how it is related to the retina and the visual system.
