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vision
Introduction References & Edit History
Images & Videos
Diagram of a human head in profile with labeled regions highlighting the five senses: touch on the forehead, sight at the eye, smell in the nose, taste in the mouth, and hearing at the ear. optical arrangements of eyes among nocturnal, arhythmic, and diurnal animals Diagram showing how visual information from an object enters the left and right eyes, travels along the optic nerves, crosses at the optic chiasma, and reaches the occipital lobes in the brain for image processing. A labeled flowchart shows how eye movement is controlled: signals move from retina feedback and error evaluation, to a brain control center, to eye movement muscles, resulting in eye movements. Feedback loops monitor actual eye position to keep vision stable.
Are carrots actually good for eyesight?
Understand how diffraction of light affects stellar images
A close up image of a colorful bug with large eyes.
Uncover the science behind myopia and its underlying causes
Hear about experimental personalized 3-D screens that can correct refractive errors in a user's vision
The difference between nearsightedness and farsightedness
Quizzes
Male muscle, man flexing arm, bicep curl.
Facts You Should Know: The Human Body Quiz
Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.
Characteristics of the Human Body

vision: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Add new Web site: Interesting Facts - 25 of Our Most Fascinating Facts About the Human Body. Aug 07, 2026
Add new Web site: Journal of Emerging Technologies and Innovative Research - Visual disability and Blindness- Worthiness for Social Security. Jul 19, 2024
Add new Web site: How Stuff Works - Science - How Vision Works. Jul 30, 2012
Cross-references revised. Nov 20, 2008
Added new Web site: The Physics Classroom Tutorial - Refraction and Sight. Jul 23, 2008
Added new Web site: The Nemours Foundation - For Teens - Taking Care of Your Vision. May 09, 2008
Article revised and updated. Nov 16, 2007
Added new Web site: Contact Lens Council. Aug 04, 2006
Added new Web site: Contact Lens Council. Aug 04, 2006
Article revised. Mar 26, 1999
Article added to new online database. Jul 20, 1998
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