If you think you only need a hat, clothes and layers and layers of sunscreen to protect against sun and rain, prepare to be enlightened. It is not only your skin, your face and your head is in need of protection. Your eyes are just as vulnerable to damage than the rest of the body, perhaps even more. Therefore, it is necessary to keep them protected at all times, and a way to do this is to get a pair of sunglasses very good. But how do you choose?