What are polarized sunglasses?

All you need to know about polarized sunglasses

Contrary to what many people think, sunglasses are not just a fashion accessory.
They are also an essential piece of equipment for protecting your eyes in bright light.
It is therefore important to choose the right lenses for your sunglasses, for example by opting for polarized ones.

What defines polarized sunglasses?

The lenses of a pair of sunglasses are designed to protect the eyes from UV rays to a greater or lesser degree according to the category of lens.
To these glass surfaces can be added several different treatments, such as a polarising agent.
This chemical process can be applied vertically to the surface of the lens or placed between two layers of treatments.
It is precisely this vertical application that blocks horizontal light.
All pairs of glasses or sunglasses can be fitted with polarised lenses.
The main benefit of these specific lenses is that they reduce the glare caused by sunlight.
Sunglass polarised lenses also reduce contrasts and allow for clear colour vision.
In addition, by offering optimal comfort, these lenses prevent eye strain efficiently.
It is important to know that sunglasses can be fitted with polarised lenses even if they are not on prescription.

Why is wearing polarized sunglasses valuable?

Basic sunglasses lenses can be supplemented with different surface treatments, such as a dust layer or an impact resistance treatment.
While some coatings may not be necessary, some, such as polarisation, may be essential, especially when driving.
Indeed, glare occurs when light reflects off water, snow or pavement.
And yet, a simple glare could make you squint or even blind your for a moment.
This little inconvenience can lead to major risks, especially when driving.
It only takes a moment to lose control, misjudge a road hazard or even cause an accident.
It is therefore essential to protect your eyes from such glare with suitable lenses.
Classic sunglasses with grey or brown lenses may be suitable for bright light but will not fully protect against glare.
Only polarised lenses offer this comfort and optimum protection.
In fact, most quality sunglasses are already equipped with polarised lenses.
Finally, polarised lenses are also very useful for outdoor sports and water activities.

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