Quality of sunglasses is dependent on the quality of the lenses. Not many people are aware of the diversity and quality of lenses on the market today. Top of sunglasses us polycarbonate lenses, because they are shatterproof, and color of each lens is embedded. If you want to pair of longer duration, ask for one polycarbonate lenses.
Glass lenses are the best option if you want cutting-edge optical excellence. Glass is used often enough to prevent easy breakage, and should also be scratch-resistant. The glass lenses can last a lifetime. Therefore, sunglasses used glass lenses are often better value for money. On the other hand, plastic lenses are the cheapest item. They are light, but can scratch easily and optical clarity is not as good as another.
Polarized sunglasses incorporate a chemical film that is used to cover the lens. This is the best type of sunglasses for outdoor activities occur in direct sunlight or on horizontal surfaces such as water. Glare reduction also prevents eye fatigue that often follows the prolonged outdoor exposure during the peak day. The lenses are usually available in a variety of colors.
Mirrored sunglasses also work well for an extended outdoor activity. Sunglasses with mirror work reflecting a one-way, and the optical layer reduces the amount of light passing through each lens. This style is perfect if you do not make eye contact with strangers!
Photochromic lenses change color depending on the amount of UV rays hit them. Lentils grow darker in sunlight and become lighter in shaded areas. Just warning, these sunglasses are not recommended for daytime driving.
In addition, quality sunglasses have anti-reflective coatings and AR coatings, which get rid of glare back. Back radiance is the light that hits the back of the lens and returned to his eyes, which can be very annoying. Test your sunglasses to look and check to see if you still squinting with sunglasses. This is the easiest way to test the brightness level of resistance. By the light again, if you can see your eyes reflected in the glasses, it is better to try another pair.
Experts agree that the layers have sunglasses - mirror coating, scratch resistance coating, polarizing film and the antireflection coating added - more quality. Note that the signature sunglasses can still provide the best quality in terms of protection against UV rays and reduce glare.
The best quality sunglasses must be determined by their purpose. No matter how expensive the sunglasses, if you do not work well with your lifestyle, they are essentially useless. Compare one against the other type of lens, and always consider the type and duration of outdoor activities regularly engage in.