I got hit on the mouth with the ball playing a pull shot and now I wear a helmet no matter how fast the bowling is. For unknown reasons I found a helmet that doesn't obstruct my view in any way whatsoever. I had another helmet which was very awkward to see through and had to give it away.
I recommend wearing a helmet if you play for 20 years you will eventually get hit.
Auckland 47,103, 27, 269*, 59, 118