Many people today are finding that polarised sunglasses offer a number of benefits that cannot be duplicated by non-polarised lenses. Unfortunately, you will find that many sunglasses that many cheap sunglasses do not have polarised lenses. Before you purchase these glasses, it is important to make sure that you know how to test them for this particular feature. In most cases, you will find this task only takes a few seconds to accomplish.
Polarised Lens Testing
Oddly enough, it is fairly easy to find out if sunglass lenses are polarised. To begin, you will need to find a horizontal surface that reflects light. If you are in a store, a glass counter or a similar object should suit your needs. From there, simply rotate the sunglasses, and look through one less. As you rotate the lens, the brightness of the reflection should change. Even though the sunglasses themselves may have dark tints, only polarised lenses will cause the reflected spot to grow dimmer or brighter as you rotate the lens.
Buying Polarised Sunglasses Online
When you purchase sunglasses online, you will not be able to perform a test that will help you find out if the lenses are polarised before you make your purchase. On the other hand, it is fairly easy to take note of the manufacturer and frame style. From there, you can try to find the same pair of glasses locally. Once you test the lenses for polarity, then you can make up your mind about purchasing them, or look for another brand. As may be expected, once the glasses arrive in your home, you should test the pair you will be wearing to make sure they are polarised. It will also be to your advantage to make sure that you can return the glasses if you find out that they are not what you were expecting.
Prescription Polarised Sunglasses
If you spend a great deal of time outdoors, or a lot of time driving, it may be to your advantage to get prescription polarised sunglasses. As with non-prescription lenses, you can easily purchase them locally or online. Even though these lenses are designed to improve your visual focus, the polarizing elements will still work the same way. Therefore, if you want to test them, all you will need to do is follow the same testing procedure. Ideally, you should perform this test as soon as your receive the glasses.
Today, many people that cannot stand the glare on road surfaces or water find that polarised lenses are very useful. Without a question, if you are planning to buy new sunglasses, it will be to your advantage to obtain polarised lenses. That said, if you do not take the time to test the lenses out, you may find that you are not getting your money’s worth. In most cases, once you find out how many sunglasses are mislabeled, you will be glad that you did not get fooled into purchasing something that will not suit your needs.