good ones for the money

Strike king s11 is a very good choice

Smith on close out deals are a good value. I absolutely love mine as my Costas started to give me terrible headaches. I found some polarized chroma pop Smiths for $65 on Amazon and Backcountry.com.

Checkout XX2i Optics! You can not go wrong. They offer a 365 day satisfaction guarantee and a no questions asked lifetime warranty.

My favorites are the France 2. They are really light and comfortable to wear all day. They have great lens size for good coverage from the sun, available with poloarized lenses, and offer interchangeable lenses. So you can get Polar gray and Polar Bronze/Amber.

The greatest feature is the availability of readers/bifocals. Really important for us guys whose eyes are getting old.

www.xx2i.com

Amphibia. They won't be $50.00 but they are great sunglasses, they float so if they fall off of your head while fishing they don't sink to the bottom of the lake and you don't loose them. I just got my pair with lenses that have readers built in for us guys who need them and don't have to switch out and put a separate pair of readers on to tie knots etc. Just got them and they are great in a pair of Hydrafoil Frames. Great fishing glasses.

Sounds like you need a neck lanyard for your glasses.