Discover
vision
physiology
verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies.
Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Feedback
Thank you for your feedback
Our editors will review what you’ve submitted and determine whether to revise the article.
Also known as: eyesight, sight
vision, physiological process of distinguishing, usually by means of an organ such as the eye, the shapes and colours of objects. See eye; photoreception.