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  • Pupil - Wikipedia
    The pupil is the central opening of the iris on the inside of the eye, which normally appears black The grey blue or brown area surrounding the pupil is the iris The white outer area of the eye is the sclera The central outermost transparent colorless part of the eye (through which we can see the iris and pupil) is the cornea
  • Pupil of the Eye: Definition, Anatomy Function
    What does the pupil do? Your pupil lets light into your eye as the muscles of your iris change its shape The lens in your eye focuses light that passes through your pupil Light then goes to the back of your eye and hits your retina Your retina turns light into electrical signals Your brain receives these signals and turns them into images
  • Whats Normal Pupil Size and When Do Pupils Change? - Healthline
    There's an average pupil size that's considered normal Measured in millimeters, your eyes' pupils can change based on light, medications, and even emotions
  • 7 Causes of Dilated Pupils, From Low Light to Sexual Attraction
    In most cases, pupils change size based on the light and dilate, meaning that appear larger, when you're in a darker room But your pupils may also change size based on injuries, drug use, or
  • Your Pupils and Eye Disorders, Nerve Problems, Concussion - WebMD
    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
  • Pupil Function and Disorders That Affect It - Verywell Health
    A pupil is the opening created by the iris, which controls the amount of light that enters the eye Learn about medical conditions affecting the pupils





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