How to choose sunglasses that will reliably protect your eyes from UV

Sunglasses - it is not just an accessory that allows you to look cool and not to squint in the bright sun. It is also a means of protection from UV rays that may not be the best way impact on the health of the eye.

According to studies, intense ultraviolet radiation from the sun contributes to the development of cataracts, which in turn is a major cause of blindness. Even a single strong UV exposure to the eyes can cause photokeratitis - severe inflammation of the cornea. Those most at risk are children and people with light eyes.

What to remember when choosing glasses

Avoid the unpleasant consequences of exposure to the sun can help good sunglasses. Here's what you should look for when choosing this compulsory summer accessory.

100% protection from ultraviolet radiation

Such labeling or marking UV 400 glasses - is the most important thing you should look for when buying glasses.

The bigger, the better

Choose big points, closing my eyes, not only in front, but also on the sides.

Darker - does not mean safer

Impermeable black lenses do not necessarily have good protective properties.

Color glasses does not matter

No matter whether you choose sunglasses with yellow, blue or gray lenses - bandwidth ultraviolet light is not affected. However, some colored glass to increase the contrast of view, which is very convenient, for example, during sports games outdoors.

Polarized glasses protect from glare, but not from UV

Lenses cleaned with the polarization of glare from reflective surfaces such as water. This is useful in driving time, or relaxing on the beach, but to protect the eyes from UV radiation polarization is irrelevant.

Price is not important

Good sunglasses with 100 percent UV protection can be both expensive and very cheap.

When choosing sunglasses, look for these features, and you will not only be good points, but also healthy eyes.