Why Do Polarized Sun Glasses
In this photo, you can clearly see the reflection of the air vent on the inside of the windshield.
Imagine the impact of this kind of glare, either inside or outside a truck.
To take this photo, Vicki held up her pair of spring lock polarized sun glasses in front of the camera.
Although it can be made out, the reflection of the air vent is much harder to see.
Imagine the benefits truckers could experience from using polarized sunglasses in settings like this.
Different Styles of Polarized Sun Glasses
There are at least three different styles of these "trucker sunglasses" on the market (as shown below through our affiliation with Amazon.com):
|Shielded||Spring Lock||Clip On|
|With his shielded polarized sunglasses on top of his head, Mike enters the code to gain access to his assigned shower at a truck stop.|
|Except when weather causes subdued lighting, Mike almost always wears his polarized trucker "shades" while driving during the day.|
Mike's Recommendation: Shielded Style
Mike highly recommends the shielded sunglasses he uses because
Vicki's Recommendation: Spring-Loaded Style
Vicki has used quite a number of clip-on sunglasses over the years. She much prefers the spring loaded polarized version for these reasons:
This style of sunglasses are not as easy to put on as the shielded or clip-on style, but once in place, they tend to stay there until deliberately removed. They can be a little tricky to put on, especially if one edge does not properly loop under the edge of one's glasses.
Although Vicki has never had it happen, we speculate that it is possible to overwork or lose the spring. Once the spring is gone or no longer works, we're not sure that they can be repaired. What can be done with a pair of spring-loaded polarized sun glasses once the spring loses its "springiness"?
Also, depending upon the construction of this type of sunglasses, the way that they are stored could bend the frame. If one puts them, for example, into a pants pocket and then bends a certain way, the metal could bend. Vicki has had this happen. To date, she has always been able to bend the frame back in shape. Hurray!
Caution About Clip-On Sunglasses
The kind of clip-on sunglasses that are applied by pinching and releasing the clip at the top are easier to attach to prescription lenses than the spring-loaded kind. But because they are not framed on the edges, they are
Also, it is possible that over time, the place where the clip meets the lenses "could" mar the surface.
Other Anti-Glare or Glare Reduction Products
Besides sunglasses, there are other products on the market designed to reduce glare such as polarized visors (or "glare" visors) and window clings. When using any of these products, protect the surfaces against even small scratches, as they will no doubt will be visible.
Federal regulatings regarding windshields in commercial motor vehicles may be found in § 393.60 of the FMCSR.
You also need to know that not all see-through visors are "anti-glare" or have polarizing effects. They merely provide a darker medium through which to look.
Too Many Scratches
There is a point at which being too frugal can be a liability...
Even though she was careful with them, Vicki once used a pair of spring loaded sunglasses so long that she had to discard them because there were too many scratches to see through them clearly.
Is there a way to resurface the lenses of polarized sunglasses? If you know of one, please share it with Vicki, because she would surely like to learn!
Money saving tip: The style of polarized sun glasses that a person uses should reflect both functionality and personal preference. When Mike is not using his sun glasses, he either wears them on top of his head or puts them on the vehicle's dash. He has used a cord or strap to connect the ear pieces to let them hang from his neck when not in use, but that hasn't worked too well for him.
Be aware that sunglasses -- whether or not they are polarized sun glasses -- may feature different levels of darkness or even colors of lenses. Lens colors range from amber to green to smoky. Buy whichever type of lens suits you best. (We've never gotten used to using amber lenses, but others swear by them.)
Brand name sunglasses -- which are almost always very expensive -- are a fashion statement. Determine if it is important to you to have a "name" on yours. Could the money you spend on them be used more productively elsewhere in your budget?
The bottom line reason for buying polarized sun glasses is because they can help you see better in situations where you encounter glare.
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