The sunglasses are seen by most people as the fashion items, but actually play a much more important role is to protect our eyes from the ultraviolet rays of the sun. This protection is provided precisely by lenses that depending on the type are able to provide a different protection. In this guide, in particular, we will see how to do to be able to properly choose the lenses for glasses sun most suitable to our needs.
The task of the glasses from the sun is to create appropriate barriers between our eyes and the ultraviolet rays and therefore the choice of lenses is very important. Especially in summer or in all cases in which our eyes are exposed to sunlight should be protected so that no damage.
The material and the coloring are of great importance to determine the quality of the lens and depending on the type of product is used may have a sharpness, a weight, a duration and a different cost. If possible, in any case, it should not be conditioned by the price, but choose the best eyewear and more suited to our type of eyes and their problems.
One of the materials used for the lenses is glass, ensures clarity and scratch resistance, is expensive and falling to the ground may crack or chip. Polyurethane has the advantage of being very durable and give clarity as well as being flexible and lightweight plus size eyewear, but it is very expensive.
Acrylic is inexpensive and suitable to be used occasionally, short-lived and can give a distorted picture. The sunglasses lenses also are treated to reduce the passage of light and the damage caused by ultraviolet rays. Depending on the choice of lens color varies the amount of light that reaches the eyes and the correct visibility of contrasts.
The lens colors can be very different depending on usage and have their own characteristics. Brown, gray and green: limit the brightness without distorting colors and are used when the sun is not too strong. Yellow, golden, amber: not totally protect the gloss, but are excellent with moderate light and snow. Pink, purple: they give a very bright vision and the conflicts, are great for snow and are very suitable for driving.
At this point our guide has finally come to an end and all you need to do to be able to choose the lenses for sunglasses more suited to our needs, it will be read carefully all the instructions in the previous steps.
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