Acuity and Eye Movements
Acuity
What is it: how small a detail you can pick out.
The Eye
Visual Limits of Acuity
Data from Osterberg (1935)
Thus Eye Movements
from Kaiser, 1997, http://www.yorku.ca/research/vision/ eye/thejoy.htm
Voluntary Eye Movements
Significance:
Great variation in acuity but mostly corrected
Acuity is only good in very small are of field of view
Good thing too as the fovea takes up 1/2 of the visual cortex as it is
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