Nowadays, wearing sunglasses is not just a fashionable step; it has become one kind of necessity for the projection of eyes from various harmful factors. But it can be quite difficult to wear sunglasses when you are playing rough sports like football and soccer. If you do so, glasses can be broken easily if you fall off or if another player crashes onto you. Optimal Vision is a set of concept contact lenses that efficiently offer the functionality of sunglasses. These lenses are available in four different shades; they are yellow, red, green and gray – each with different features and activities.
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