If you are sold 100% on prescription sunglasses I can't help you because I have been using Brimz for years.

Obviously you have to wear a billed cap when fishing to make them work but they fit over any eyeglasses, weigh nothing and are comfortable with nothing to lose, (as long as you don't lose your hat) with nothing to fall off and no ear pieces to annoy you. Having the flip up option in darkening conditions is also a huge plus for me.