There are lots of great reasons why designer sunglasses are a much better buy than cheap as chips sunglasses from the local Pound Shop. For one thing, you get what you pay for, which means a pair of designer sunglasses will almost certainly last a lot longer than a cheap and nasty pair. And for another, designer sunglasses are just a lot more fashionable than generic cheap shades, which if you care about your appearance is not something to sniff at. With this in mind, here are the top three brands worthy of your cash this year.