How to choose the best sunglasses

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Overview

Eyes are irreplaceable. It is important for all people to protect their eyes even of the sun’s ultraviolet rays. For this purpose they use sunglasses. However, how to choose the right sunglasses?

Experts advise us to take into account in this decision the colored lenses, their type and degree of protection they offer.

Lens color should not only complement your skin color, but also to protect your eyes from the sun. Doctors always recommend to wear sunglasses especially in places where the sun is more pronounced.


Contents

1. Overview
2. Why is necessary to wear sunglasses?


Why is necessary to wear sunglasses?

Sunglasses can block UV rays, especially UVB that are quite dangerous. UVB rays tend to damage the retina and can burn the skin and eventually can lead to cancer.

In addition, sunglasses contain a thin layer on the lens that does not disappear with time and have the authority to stop sunlight reaching the eye.

Sunglasses are indispensable especially for people who practice some outdoors sports (swimming, hiking, volleyball, fishing, surfing, etc.). It indicated that sunglasses do not miss people who perform various activities at high altitudes, where the sun’s rays are most harmful.

- Clarity of vision – Sunglasses stop the sun to reach into the eyes. Therefore to be improved, as long as not disrupt sunshine. For example, when playing beach volleyball and move eyes to the sun, can affect your ability to see.

- Polarized sunglasses – polarized lenses are different from the standard. Such a lens has applied a special layer that is located between two thinner lenses. Polarized lenses are designed to reduce sunshine with ten times higher efficiency than that offered by normal sunglasses.

Thus, the object viewed is improved and will clear the form and colors. Polarized lenses are very useful in mountains covered with snow, because they reduces glare. This type of sunglasses is more useful for those who go fishing, driving, for runners, cyclists, etc.

- Sun photochromatic lenses – These lenses automatically change color in difficult lighting. Originally photochromatic lens were available made just from glass, but only recently, after technology development may be available and polycarbonate plastic.

- Glasses with curved frames – Glasses with curved frames are very popular in extreme sports. These glasses not only cover the eyes, but they’re also part of semi-plastic covering part of face and offers quality to remain firm on your face when they wear them during sporting activities that involve sweating.

- Color lenses – There are many types of colors of sunglasses, which have different characteristics. Thus, red-orange lenses can be worn at any level of light intensity, yellow lenses are indicated in case of reduced visibility or low light and brown lenses can be used for any level of light intensity.

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