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- Vision_span abstract "Vision span or perceptual span is the angular span (vertically and horizontally), within which the human eye has sharp enough vision to read text. The visual field of the human eye spans approximately 120 degrees of arc. However, most of that arc is peripheral vision. The human eye has much greater resolution in the macula, where there is a higher density of cone cells. The field of view that is observed with sufficient resolution to read text typically spans about 6 degrees of arc, which is wide enough to allow a clear view of about five words in a row when printed text at ordinary size is held about 50 centimeters from the eyes. The brain creates the illusion of having a greater visual span by automatically and unconsciously moving the center of vision into any area of interest in the field of view.".
- Vision_span wikiPageID "1331269".
- Vision_span wikiPageRevisionID "598903047".
- Vision_span hasPhotoCollection Vision_span.
- Vision_span subject Category:Educational_psychology.
- Vision_span subject Category:Reading.
- Vision_span subject Category:Vision.
- Vision_span comment "Vision span or perceptual span is the angular span (vertically and horizontally), within which the human eye has sharp enough vision to read text. The visual field of the human eye spans approximately 120 degrees of arc. However, most of that arc is peripheral vision. The human eye has much greater resolution in the macula, where there is a higher density of cone cells.".
- Vision_span label "Vision span".
- Vision_span sameAs m.04tbwt.
- Vision_span sameAs Q7936205.
- Vision_span sameAs Q7936205.
- Vision_span wasDerivedFrom Vision_span?oldid=598903047.
- Vision_span isPrimaryTopicOf Vision_span.