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  • Pupil - Wikipedia
    In optical terms, the anatomical pupil is the eye's aperture and the iris is the aperture stop The image of the pupil as seen from outside the eye is the entrance pupil, which does not exactly correspond to the location and size of the physical pupil because it is magnified by the cornea
  • Pupil of the Eye: Definition, Anatomy Function
    Small pupils can happen when you’ve had a stroke or when you’ve used opiates, among other reasons Mydriasis is the name of the opposite condition, having dilated pupils
  • Human eye - Pupil, Iris, Retina | Britannica
    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
  • 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
  • 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 pupils and how they react to
  • The Pupils - Clinical Methods - NCBI Bookshelf
    The pupils are generally equal in size They constrict to direct illumination (direct response) and to illumination of the opposite eye (consensual response) The pupil dilates in the dark Both pupils constrict when the eye is focused on a near object (accommodative response)
  • Understanding Pupils: What They Are and What They Can Tell About Your . . .
    Learn about the dark openings at the center of your eyes called pupils, how they react to light, and what changes in pupil size and shape can indicate about your health
  • Pupil - Definition and Detailed Illustration - All About Vision
    Typically, the pupils appear perfectly round, equal in size and black in color The black color is because light that passes through the pupil is absorbed by the retina and is not reflected back (in normal lighting)
  • Conditions that Affect the Pupil - Optometrists. org
    Up to 20% of healthy people have pupils that are different sizes – some are normal but others are signs of a serious health issue The pupil is the dark-colored and circular opening in the center of your eye, that is surrounded by the iris, the colored part of the eye





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