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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Sunglasses - without a miss

No sunglasses can not do both in town and at the resort. Points - is first and foremost, protecting our eyes from the sun and dust. Usually we pay more attention to the form of frames, matching it to the type of person, and fashion trends, often forgetting about the functionality points. Today we'll talk about how to not make mistakes when buying and not buy a stylish but low-quality and protects the eye accessory.

Despite the abundance of advertising, the most necessary information is usually not enough. Even the most beautiful spectacles, which will be a bright touch to your image, may be powerless against ultraviolet radiation, so it is important to buy quality goods, carrying out their functions.

What are the best sunglasses protect against UV light?

As practice shows, the design points for the buyer is in the first place, and even professional consultants in the salons often advised that it is a specific person, and which model is better to refuse. Choosing a model, you may not even ask, What made the glass and whether they can well protect the eyes. And this is a primary issue.

Many are convinced that the lenses of sunglasses protects only against bright light, so choose glasses with dark lenses. But this is the wrong approach.
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"When you look at the sun unprotected eyes, ultraviolet rays is almost completely absorbed by the cornea and lens, and partially - retina, - says ophthalmologist Elizabeth Leontiev. - When buying glasses without a prescription, you do not know what color, how much they should be dimming. And the whole secret of the fact that the degree to which you are absolutely not connected with the protection of the eyes from ultraviolet radiation, ie, does not solve the main task for which to shop.

You can choose the most dark glasses, but transmits ultraviolet. As a result of the decrease in light eyes will strain, eyes widen and you will receive an increased dose of that from what they wanted to protect.

Moreover, the darkest and the lightest spectacle lenses can give the same result. All that matters is the special chemical additives which are introduced into the glass or plastic or painted on their surface.

It makes no sense to wear glasses in transport, in cloudy weather, and especially in the evening. When you are cutting off the sunlight in the dark sunglasses gloomy time, the pupils dilate, and violated the outflow of intraocular fluid. Women who fear the appearance of wrinkles and constantly wear sunglasses, to 35-40 years earn glaucoma. 

Exploring the dignity points

First of all, we draw attention to the labeling, which indicates the percentage of detention ultraviolet. For example, if absorbed 100 per cent, is marked - 400 nm. Fine filters ultraviolet and infrared radiation of dark green and dark-gray glass. Mirror coating effectively reduces the dose of light, but not significantly protects against ultraviolet radiation.

Currently fashionable yellow glass for protection from the sun completely inappropriate.

The forms varied, designers offer fantastic stylish models, but from the standpoint of ophthalmologists, the most reliable protection from the sun - this lens is curved.

Glass lenses are better protected from infrared radiation, plastic - from ultraviolet radiation, so it is best to choose a lens from the "lightweight" plastic. In plastic, another advantage - it is impact resistant.

Buy glasses need only in company stores or departments of optics. Cheap glasses, purchased in transition, do not protect from the sun and spoils the eyesight, of course, it happens gradually. Cheap plastic increases the penetration of ultraviolet rays in the eye, the pupils will be widened, and his eyes because of this sick and tired.

Ophthalmologists believe that it was better never to wear sunglasses than to spoil the eyes of cheap and low-quality plastic. Moreover, in the plastic "underground" Chinese manufacturers often contain harmful chemicals, which not only impair vision, but also cause skin problems.

And one more thing - contact lenses do not protect against UV rays, so wear lenses and sunglasses at the same time.