Glass is sharper … but get impact-resistant poly for fishing. You can use them for shooting too.
You’ll never notice the difference … unless it saves your eye.
Ever seen a fishhook in an eyeball? I came THIS CLOSE.
I just ordered another set of Costa Fisch in my new Rx, 580P Trivex lenses … these with gray lenses no mirror.
Shooting, bird hunting, fishing, driving …