Many eyeglasses shops own this type of sunglasses. And they are usually worn for driving and fishing which may help your eyes prevent from the strong sunlight which could damage your eyes. You could go to the near eyeglasses store to have a search. If you want to save the money, you could go to the online store to have a search.
Created in 1909 by Dr. Edwin Land, the world's first synthetic polarizing material designed for the consumer was the basis for world famous company, Polaroid. Polaroid is the name given for the polarizing plastic sheet that polarizes light.Wearing Polaroid Sunglasses give you glare free vision, enhanced contrasts, significantly less eye fatigue and exceptional color perception in a fashionable, stylish package that will not only protect you from the elements, but keep your image fun and hip. So, this is what I recommend you, you can find them at some large shopping centers.