A question that may arise is how colors and tint density contribute to the sunglass functions? Lens colors or color density do not affect performance in protection from UV rays. Instead, lens color is not just stylistic. It affects how your eyes perceive the true color or not, while the color density cuts the visible light to an acceptable level that the eyes can handle. Most sunglasses available on the market belong to class 2 or 3. Class 2 has less color density which permits 18% to 43% visible light to come into the eyes, while class 3 allows 8% to 18% visible light to enter. Class 2 sunglasses are the most popular and worn for general purposes, especially in medium sunlight. Class 3 sunglasses consist of a darker color density that cut a large amount of visible light, usually worn in a harsh environment like desert, mountain.
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Polarized lenses are also tinted lenses with a chemical filter added to the lens surfaces. With the help of a chemical filter, polarized lenses can get rid of reflective glare and allow good visible light to come into the eyes. Without interfering with the effect of glare, the glass users will experience comfort and better visibility. Glare is formed the most in a water environment or nearby flat objects. Reflection from wet objects can produce an agitating source of reflective glare that causes a temporary loss of vision, discomfort, and eyestrain. Polarized lenses not only get rid of glare, they provide comfort and enhance visual clarity, making images appear sharper. Thus outdoor activities like fishing, water sport, driving, scenic viewing have great benefits of wearing polarized sunglasses.
Since a chemical filter is colorless, hence polarized lenses have the same external appearance as tinted lenses. Thus, it sometimes makes confused for users in determining whether the sunglasses are polarized or not.
Conditions determine which one is better.
Comparing the performance between polarized and tinted lenses to see which one is better, each type has its advantage and drawbacks. It's all depends on what your condition looks like or your routine lifestyle. Your region is also a factor in choosing your style. If you live near a coastal region, lake, river, polarized lenses are certainly better than UV lenses.