There are many reasons that we wear sunglasses. They keep the sun out of our eyes, a fashion statement or even medical reasons. But keep in mind; you get what you pay for.
If you are just trying to keep the sun out, the color of any lens plays a critical role in the management of light. Different lens shades and densities make it possible to enhance or preserve the perception of colors, contrast and visual acuity and can aid in glare reduction & elimination of UV rays.
Sunglasses have come along way. In the past, glasses came in two shapes, large rectangle and slightly smaller large rectangle. Now day