The polarized vs non polarized sunglasses debate continues on. This debate has been going on for decades and many sunglasses purchasers are still confused about what is the primary difference between polarized vs non polarized sunglasses. The truth of the matter is that there are many different opinions as to which type of lens is better in price, protection, and efficiency. Therefore, this article will be dedicated to helping future sunglasses customers make the right decision.
The first item on the agenda is UV protection. When a person puts on a pair of sunglasses they may not realize that their pupils widen. This widening of the pupil will allow UV rays to easily enter the eye. A pair of sunglasses that have inferior lenses will not offer an adequate amount of UV protection against the sun’s harmful rays. This could cause future permanent macular degeneration which would lead to cataracts or vision loss. This is one of the main reasons to purchase a pair of polarized sunglasses with 100% protection against UVB and UVA rays.
Polarized sunglasses will also provide the additional benefit of a good defense against the sun’s blinding glare. This will provide a more defined and clearer vision for the wearer because the reflection of the sun will barely be noticeable. The sun emits waves which can be fairly intense on our eyes and this will be especially true when driving a motor vehicle on a sunny day.
A good pair of polarized lenses, however, will help to block this very intense light as it is reflected from a flat surface. The reason why this works is because a pair of polarized sunglasses are constructed with vertical polarization. The sun, on the other hand, reflects light from any flat surface by means of a horizontal polarization. The result is quite amazing and can be truly appreciated when you look into a body of water on a sunny day.
A set of non polarized lenses will also reduce the high intensity of the sun’s light because of a dark shade but they will not be able to reduce the effects of a horizontal polarization. Non polarized lenses do not have the ability to account for the direction from which the light is entering.
This may seem like there is no question that polarized lenses are a better choice. While this may be true, there are a few disadvantages to consider before buying polarized lenses. They can at times reduce the visibility of any image that is produced on a LCD screen. LCD screens are popular on GPS devices, flat LCD television or computer screens, and cell phones.
The bottom line is that polarized lenses are, in most cases, a better choice despite their few inconveniences. If you are a person who enjoys the outdoors and find yourself often outside for reasons such as gardening, jogging, driving, playing a sporting event, or simply sunbathing, then your next sunglasses purchase should be a good quality set of polarized sunglasses. These sunglasses come with lenses that can be gray polarized, copper polarized, and moss yellow polarized.