Polarized Lenses

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Why polarized lenses?

Sunglasses are not just a fashion accessory – they are a way of protecting your eyes from environmental conditions. Polarization is one of the most-harped about features of sunglasses that may make you think it is important for your eye health.

Polarized lenses in eyewear first became popular with fishermen and boaters, who needed something to protect them from the sun’s glare from the surface of the water. As time went on, others became aware of the benefits of polarized lenses and their popularity grew.

How can polarized lenses benefit you?

The main benefit of polarized lenses is that they reduce glare. The effect of glare is created when sunlight reflects off a flat surface and the light is reflected in every direction. By neutralizing glare, polarized lenses help you see objects more clearly, and also help reduce the harmful effects of UV light.

                                                 Non Polarized                             Polarized

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                                                 Non Polarized                             PolarizedSand Beach Polarized Sunglasses India Spain SIETE
A polarized lens offers the following advantages over non-polarized lenses: 

  • Improves visual comfort
  • Improves contrast and visual clarity
  • Reduces eyestrain
  • Allows for true perception of colors
  • Reduces reflections and eliminates glare

However, they also offer some disadvantages over regular lenses:

  • Polarized lenses make it difficult to view LCD screens. They create the effect of making the images on the screen disappear at certain angles.
  • Glasses with polarized lenses are generally more expensive than regular lenses.

 How do I know if my sunglasses are polarized?

Just look through the glasses at the reflection of any object on a window panel. Then, turn the sunglasses around as if they were the hands of a clock facing you. If the intensity of the reflection doesn't change with respect to what you see through the window, they are not polarized.

Another way is to hold them at 90° to another pair labeled as polarized and if the lenses go dark where the lenses overlap, then your sunglasses are polarized too. If there’s no change, your lenses aren’t polarized