How to choose sunglasses
Material shall be a primary criterion in choosing sunglasses, because health is more important to the style or image. Glasses not only help protect your eyes from bright sunlight, but also do not allow UV light (only glasses with glass lenses). Just wanted to say that too small glasses (whether glass or plastic) though will look stylish, but will be a poor tool in sun protection.

Sport, recreation and sunglasses
For sports sunglasses special requirements. They not only must reliably protect your eyes from the sun, but have increased strength, to be made of special plastic, not glass, because glass increases the risk of eye injuries. According to statistics, 90% of eye injuries could be prevented if protective eyewear, with nearly half of all injuries occurring in children under 14 years.

How to choose glasses for a child?
In the first year of life, the main indications for correction are aphakia and high myopia. In children under the age of three leading indications for correction of hyperopia is for esotropia. Preschool children (3-7 years) to correct aphakia, congenital myopia and hyperopia are added early acquired myopia and astigmatism. At school age, the leading indication for the correction of myopia is acquired.

How to pick the right rims of the glasses?
New Year - the right moment to change the old, familiar, or start something new. For example, you can radically revise its image, or even just thinking about it. Think we'll start with the principal, and most importantly to us, loved ones, of course, the eyes, and everything associated with them.

What you need to remember when choosing a frame for glasses?
Participation points is a fairly serious procedure. Many people, especially women, are choosing to purchase the frames as a costume or decorations. The frame should be modern, "trendy" and yet have to face, color and styling your hair, and jewelry.

Improving appearance points lenses
Vysokoprelomlyayuschie lenses made of organic materials can significantly improve the appearance of spectacles. Using the lenses of materials with refractive indices from 1.60 to 1.74 can substantially reduce the thickness and weight of lenses and glasses to make a superficially more attractive, even at high degrees of ametropia. Variety vysokoprelomlyayuschih range of lenses in combination with optical coatings, which offer today, many manufacturers, often puts consumers in a quandary: what lens to choose? To make the right decision, we must understand the basic characteristics and features of the lens material with high and superhigh refractive index.

Contact lenses
It is believed that the eyes of the lens blush, "dried" lacrimal gland, eyes acquire a specific shine (not the greedy, not that ravenous), triggered by a myriad of diseases and so on. I wear lenses for more than 4 years. With regard to shine in the eyes and other cosmetic effects of the MCL, then I am with my close friends spent the experiment: one in the eye lens, the other without.

Spectral points or more on computer vision syndrome
American Association of optometric studies published data on the new occupational disease "Computer vision syndrome" - (KSZ). Computer vision syndrome in one form or another is observed in 100% of computer users. His symptoms are familiar to almost everyone who holds the monitor more than 4-5 hours a day. Ophthalmologists note the rapid growth of cases of SGC. For example, in North America with typical complaints of the SGC to the doctors turned to 1992, 10 million people. In 1996 - 15 million people., And in 1998 for 22 million people.

Polarizing eyeglasses. What do they differ from ordinary sunglasses?
Although the cost of those and other quite comparable, but the fishing is desirable polarized glasses. How to check whether the data points polarizing? Very simple. Take two pair, and lean their glasses to each other. You will be able to see through them. I now turn to some points by 90 degrees. If you continue to see through the glass, then the conventional glasses, but if you do not see - that's all right - you are in the hands of polarized eyeglasses. What it does affect fishing?

Sunglasses - Accessory enigma
The bright sun is often the cause of the appearance of wrinkles. On clear summer days, it is impossible to watch without squinting his eyes, especially if it is near sea. Sunlight reflected by water, shine in mercy. The only salvation in the hot, cloudless days are the sunglasses.

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Choose Sunglasses

Fashion in sunglasses changes every season: narrow and wide, mirror and colored, with all kinds of ornaments and without. But the main thing in sunglasses is not their beauty, and protection. Sunglasses should protect the eyes from UV rays, protecting our vision. Choosing such points, remember that their beauty and how they look at you it's not all. It is important to choose a model that combines the functions of protection against the adverse effects of the sun and pleasant design. Choose glasses appropriate to your needs and fashionable in this season not be easy. But to pick up some really good sunglasses to protect from the sun is much more difficult. For this we must know some rules, which we will explain how. 

Color Sunglasses
Sunglasses may be of different colors. But before you buy such glasses think about it, because the influence of changing the color quality of the image on the retina. And the same amount of information perceived by a person with varying degrees of visual tension. Red Sunglasses contribute pereutomlyaemosti eye. Red spectrum distorts the surrounding colors, makes the eye strain. In addition, long-wearing such glasses irritate the nervous system of man. Pink Sunglasses have a low degree of obscuration. Therefore, they are likely to play the role of a fashion accessory, rather than protective. For a long time to arrive at the sun in such glasses are not recommended.

Orange sunglasses. These goggles distort color, they may not pass the blue color, but the contrast in them is very high. The best glasses are suitable for protection from strong light at night. In these glasses easy to drive at night, because they help to more clearly see the illuminated objects and the way in the light of their own headlights, faster restores vision after blindness.
Yellow Sunglasses distort color perception, causing a color shift toward the use of yellow hue. Taki glasses can be worn under dim the sun, as well as on cloudy days, because they increase the contrast of view and improve visibility. Green sunglasses. Green sedative effect on the receptors of the eyes and reduces eye strain. Also these glasses do not distort color and well protected from sunlight.

Blue or blue sunglasses greatly distort color. When they wear deteriorating vision of the environment due to the reduction of contrast and clarity of vision. These glasses are not recommended to be children. They are suitable for not very bright sun. Wear them often not be as blue poorly protected from sunlight and lens of the eye strain.
Violet Sunglasses badly affect the retina, as well as because of them in the eye gets a lot of violet light, and sensitivity to the sun can increase, which could lead to burn the eyes.
Brown and gray (smoked) sunglasses best protects my eyes from the sun. They are most comfortable for the eyes. Provide a clear vision in bright light and glare and do not distort colors.

Material sunglasses
Glass Sunglasses do not allow the ultraviolet rays. Moreover, they are not so easy to scratch it. But on the other hand, they are fragile and broke, can harm the eyes. Glass sunglasses to avoid injuries contraindicated for active recreation, as well as not recommended for children. Glass spectacles faster mist, they are much heavier than plastic and not so comfortable to wear.
Plastic sunglasses should be required with a special coating or they are harmful to health. After the blackout, which is created by plastic glasses, without spetspokrytiya adversely affect the pupil, the load on the eye increases, which eventually lead to poor vision.

Modern plastic glasses have a special coating against UV-rays or made from specially designed materials (acrylic, polycarbonate, etc.) Taki glasses have several advantages. They are lighter than glass, which means they are more comfortable to wear, less traumatic, may have a variety of shapes and configurations.