Just read an interesting article regarding vision training and field hockey. You can read the conclusion below.

CONCLUSIONS

The present findings supports that vision training has significant effect upon the speed ofrecognition & visual search that was measured through the test of Tachistoscope, eye hand speedand eye foot speed that was measured through the test of Audio visual reaction timer and Speeddribbling & Shooting accuracy was measured through the Henry-Friedal field Hockey test forexperimental group.The control group showed no significant improvement in speed of recognition & visualsearch, eye –hand speed, eye-foot speed, Speed dribbling and Shooting accuracy. Thus thehypothesis stated by the researcher was accepted.It clearly shows that vision training programme given to the players was effective and itcan be improved by means of sincere practice