Jugglers don't focus on any 1 particular ball; they use this type of vision to keep track of the whole area
If 
you want to improve your focus and hand eye coordination during a rainy day 
use your ... learning how to keep track of several things at once in your peripheral 
vision ... juggling doesn't train specific tennis watch the ball skills, but what it 
DOES... [DOC] [TLE] What Brain Research Tells Us About Learner Differences - ASCD [PAR] They differ within and across all three brain networks, showing shades of .... were 
the product of one sub network, any difference would affect vision as a whole.