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eyeball
Introduction References & Edit History Related Topics
Images
Diagram of a horizontal section of the human eye showing labeled parts including the cornea, iris, lens, retina, sclera, optic nerve, and blood vessels, with internal structures and muscles visible. Close-up of a child's blue eye, showing detailed iris patterns and fine eyelashes. Side-by-side diagrams compare a nearsighted eye, where light focuses in front of the retina, with a normal eye, where light focuses on the retina. Both eyes are labeled with cornea, lens, retina, and sclera. Side-by-side diagram comparing a farsighted (hyperopic) eye and a normal eye, showing how light focuses behind the retina in hyperopia and directly on the retina in a normal eye, with labeled parts including lens, cornea, sclera, and retina.
At a Glance
default image
eye summary
Quizzes
Male muscle, man flexing arm, bicep curl.
Facts You Should Know: The Human Body Quiz
Superficial arteries and veins of face and scalp, cardiovascular system, human anatomy, (Netter replacement project - SSC)
The Human Body
Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.
Characteristics of the Human Body
Related Questions

eyeball: References & Edit History

Article Contributors

Primary Contributors

  • Daniel M. Albert
    Professor of Ophthalmology, University of Wisconsin at Madison. Professor of Ophthalmology, Wisconsin Alumni Research Foundation.
  • David M. Gamm
    Assistant Professor of Ophthalmology and Visual Sciences at the University of Wisconsin Eye Research Institute, Waisman Center.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Added a photo of a human eye. Jun 01, 2011
Article revised and updated. Nov 02, 2007
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Article History
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