Polarize sunglasses at nadaki

Polarize sunglasses

Ultraviolet radiation emitted by the sun is composed of three wavelengths: UVA, UVB and UVC.

UVC is absorbed by the ozone layer and doesn’t reach the Earth’s surface. UVA and UVB cause tanning, burning, ageing, wrinkling and skin cancer.

UVA rays are present all year round and can penetrate glass and clouds. Thus we are exposed to large doses of UVA throughout our lifetime.

UVB intensity varies by season, location and time of day.

 Knowing what are the ultraviolet radiations from the sun we are able to understand why and how much they can damage our eyes, so is really important to have the proper eye protection any time in the day. Most of the time people are choosing sunglasses not because of health; they do it of part as a fashion item. So is really important that among choices available chose those one which are polarized.

Polarized lenses give you specific protection from UV rays and are particularly suited for some activities.

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