Late reply, but new to forum. I only recently got glasses (at 53). I had LASIK in my late 30's the corrected me to 20/20, but age eventually caught up with me & the target was blurrier than it should be (even with a front sight focus). Although my Dr kept insisting I could still get by without glasses & didn't need them to drive I went ahead and got a pair, thinking it might help my shooting. Well the target is definitely clearer now with glasses, but I can no longer bring the front sight into focus. So I switched to a red-dot & it's great; both the dot and the target are in clear focus, and my shooting has improved significantly too.