Last updated: August 18, 2021

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The eyes are not only the windows to the soul, but also the ones that guide our steps day by day. But like all valuable things, they need to be cared for with the best products. In this issue we will talk about a unique type of lenses: polarized lenses.

These glasses are distinguished from any other, thanks to the fact that they offer us a greater sharpness in the image. This is due to its type of filter, which prevents the direct passage of frontal light, completely eliminating glare and allowing a selective entry of light.

The most important facts

  • Polarised lenses have gained increasing popularity in the market, thanks to their properties. However, it is important to know how to identify them from conventional sunglasses, as well as some advantages and disadvantages.
  • It is common to fall into the confusion or mistake of believing that any type of dark lens is polarised. We can distinguish between two types: polarised and sunglasses. Each one offers a different filter, a protection factor and advantages that differentiate one from the other.
  • In this article we will show you some factors that you should take into account before buying. From your face type, to the main models and how you can use them, they will all influence a more informed buying decision.

The best polarised lenses: Our picks

Buying Guide: what you need to know about polarised lenses

In this section, you'll find all the basic information you need to know about polarised lenses. It will also help you begin to form a broader buying criteria that takes into account certain factors that will influence your experience with the product.

Polarised lenses have begun to gain notoriety in the sport fishing world. (Photo: алексей савчук /

What are polarised lenses?

Polarised lenses are special glasses made from a chemical filter that prevents light from entering horizontally. Thanks to this, it is possible to have greater clarity than conventional sunglasses, which offer very basic protection, which only obscures the surroundings.

Polarised lenses are characterised by their sharp image

Thanks to this type of filter, polarised lenses provide a sharper image than conventional sunglasses. This characteristic was decisive for their popularity in sporting circles, in particular fishing, as they offer longer protection against the sun's rays.

What are the advantages of polarised lenses?

As is to be expected with any product, there are a number of advantages and disadvantages. With them we can ponder if this is the best choice, regarding the product, that we can make, as well as begin to visualise the use we can make of it.

One of the advantages of this type of lenses is the reduction of eye fatigue that our eyes can suffer. At the same time, they allow us to see any panorama clearly, as they maintain a comfortable brightness for the eyes, without compromising the sharpness or the colours of what surrounds us.

  • Offer more complete protection against UVA and UVB rays
  • Reduce eye fatigue
  • Preserve context sharpness and colours
  • Nullify light reflections
  • Not recommended for viewing LCD and HUD screens
  • More expensive
  • Not as many models
  • Limited prescriptions

Polarised lenses: Polarised or Sunglasses - what to look out for?

One of the biggest confusions we can encounter is whether our sunglasses are different from polarised ones. Generally, we tend to believe that any dark lens has the properties of a polarised one, however, this is not necessarily true.

Polarised. Polarised lenses are distinguished by their full protection against the sun's rays. However, their main difference lies in the sharpness of the images, as well as the perception of colours, which remains almost intact. This is why we must check the specifications very carefully.

Sunglasses. These are the lenses that dominate the market. They have a greater number of models and brands, however, they only offer general protection against UV rays. Their filter is characterised by darkening the environment to considerably reduce the impact of light.

Polarised Sunglasses
Protection factor UVA and UVB UVA
Filter type Chemical polarised Coloured or ultraviolet
Use Driving or outdoor sports Low sun exposure activities
Distinction Eliminates glare Darkens the view

How to distinguish polarised lenses?

As we can see from the previous section, it is very easy to get confused between so many types of glasses on the market. Therefore, we must pay close attention to both the definition or technical specifications, as well as to small details hidden in our lens.

We must observe if they have a seal. Usually a small letter P is printed on the corner of the lens or on the temples. Of course, the infallible method is simply to try to look at the screen of your mobile phone, if it darkens, this indicates that they are polarised.

Did you know that... Polarised lenses do not distinguish the details present on TV screens, mobile phones or even ATMs?

Which type of lenses are better: polarised or solar?

To answer this question we must consider one of the most important factors: What are we looking for? If all we want is a simple item that offers style and standard protection from the sun's rays or light in general, sunglasses are perfect.

However, if our priorities lean more towards the functional nature of the lenses, polarised lenses are the answer. They offer complete protection. There may not be many models, but it is the functionality of them that is most worthwhile, as they protect us from sun glare and reduce eyestrain.

Buying criteria: factors that allow you to compare and rate the different models of polarised lenses

Now, in our last section, we will introduce you to some of the most important factors of polarised lenses. We recommend that you pay attention to these, as they will help you make a more conscious, informed and focused purchase.

  • Frame material
  • Styles
  • Face shape
  • Usage

Frame material

The material of your next pair of polarised lenses can determine a lot of things. From the weight, to the strength and flexibility of the material. However, whichever material it is, these glasses are distinguished by quality control even in their frames.

Metal. It is the most durable frame and even, contrary to what we might think, the lightest. It weighs between 12 to 15 grams, depending on whether it is steel or titanium; the lightest. If you are looking for polarized lenses that can withstand daily use and the most extreme conditions, we highly recommend this option.

Plastic. On the other hand, plastic frames are the most comfortable option. They are flexible, although they weigh between 17 and 24 grams. They can be made of acetate or even Ultem. If you are looking for a casual model that you can wear on special occasions, this is our recommendation.


Polarized lenses have not been distinguished by the variety of their designs or styles. However, little by little they have been adapting to current trends. Now they offer us a more extensive, but still limited catalogue of options.

Aviator. This is the most popular style, not only because of the trend, but also because of the versatility of its shape. It consists of a lens that covers the eyebrow, with a pronounced "fall" to the cheekbone. We recommend this style if you are looking for functional glasses that are unnoticed in the technical sense, but stand out aesthetically.

Square or rectangular. This is the original model. It focuses on properties and advantages rather than aesthetics. However, they have been adapted in line with trends. If you are looking for a classic model that you can wear especially for sporting activities, this is your option.

Face shape

The type of face you have will be a key factor for the style of glasses you should choose. According to this, you will be able to consider which option suits you best. We have selected some of the most general shapes to give you an idea.

Round. For this type of face, we recommend a square or rectangular frame. They will create a contrast that won't overshadow the details of your face. It will also help you to slim your face and give it a slimmer perspective.

Square. If your face is square, we recommend that you avoid square or rectangular frames. Look for circular, oversized frames that will help offset the straight lines of your face, achieving aesthetic harmony.

Triangular. Avoid small, thin frames if you have a triangular face shape. On the other hand, this shape offers you a wider range of possibilities, ranging from square, circular or oval shapes. But avoid ascending shapes.


Finally, you need to ask yourself what you want to use your polarised lenses for. By asking yourself this question, you'll be able to weigh up which is the best option and how much you can get out of the situation. We have chosen two of the most common uses for these lenses.

Sport. If you're looking for extra protection from the sun, as well as the best possible clarity, this is your choice. For sports like fishing or hunting, they are perfect, as they give us the clarity we need. Polarized lenses are the most functional for sports.

Casual. We recommend polarised lenses when going on a road trip or even for everyday wear. They offer full protection while reducing the eyestrain that regular sunglasses can cause. So if you're also looking for the most comfortable option, this is it.

(Featured image photo: monikma /

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