The animation *is* set at seizure speed o.O
It's kind of queasy too when the water tiles go in two different directions. Lot of ppl have this problem with different effects in different games, but that lot of ppl are still a minority % of the players, so it usually isn't changed. You can consider it unhealthy, but gaming over x number of hours is considered unhealthy anyway.
Try zooming in as close as you can!
-also Red Frank ingame - and Mad Frank (ultimate ironman)-