Psych M.D. - Normal Vision


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Term: Normal Vision
Definition (Myers): Rays of light converge on the retina of a normal eye. This occurs for both nearby objects and, with appropriate readjustments in the curvature of the lens, for objects far away 1
Definition (alternative): considered to be what was defined by Snellen as the ability to recognize an optotype when it subtended 5 minutes of arc, that is Snellen's chart 20/20 feet, 6/6 meter, 1.00 decimal or 0.0 logMAR 2
Contextual explanation: unlike nearsighted vision or farsighted vision, our eyes focus on the image when the light rays touch the retina (not in front or behind the retina)
Related terms and concepts: insert links to other pages on The Neuron here
Psych M.D. - Normal Vision - The Neuron3


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Related websites: insert links to external websites here
Sources: insert WAPA style citations here
  1. Myers, D. (2004). Psychology. New York: Worth Publishers.
  2. (2009, September 8). Wikipedia. Retrieved September 22, 2009, from Visual Acuity Web site: http://en.wikipedia.org/wiki/Visual_acuity#.22Normal.22_vision
  3. (2007, August). Eye Care. Retrieved September 22, 2009, from Al Salama Web site: http://www.alsalama.org/inner.aspx?PageName=Eye Care
  4. (2007, December 8). The Sense of Light. Retrieved September 22, 2009, from YouTube Web site: http://www.youtube.com/watch?v=WkK125ZPXjY&feature=related



Edited by: Stephanie
Date of last edit: 9/22/09



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