 excess glare, but it does that by flattening the image, which is great if you're fishing. You flatten the surface of the water and see below. It's great just for every day, a very sunny day. But if you're doing anything with target or distance, you're not going to want to think about looking at a flat picture of a green and trying to gauge depth. And that's essentially the position you're putting yourself in by wearing polarized. And so what the non-polarized does