Few people know how to choose sunglasses so that they and defended eyes, and sat correctly, and did not break after a week after the purchase. Their acquisition should be taken responsibly, as counterfeit glasses not only do not have protective action, so also contribute to the deterioration of vision. If in Russian realities the fake RayBan will fit perfectly for the season, then Thailand is better to choose quality over price.
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Frame and lens material
First, pay attention to the lenses. What kind of glass for sunglasses choose nature prompts – glass, which is being chased by fashionistas, is less scratched, but only partially delays UV. But high-quality polymers, vrodepolikarbonata, prevent rays of A and B hit the retina. Infrared rays retain only polarized sun glasses, and the classics, especially the image ones, they are not at all interferes.
Tip! If you have to drive frequently, It is best to leave your choice on plastic glasses, as they are safer in case of a possible accident (what to do if you got into an accident in Thailand?). Such glass will either simply fly out of the frame, or if even crash-risk getting hurt minimized.
Frame material can be any. Lightweight plastic has its own advantages, for example, it is durable and long serves. Metallic models with wooden inserts look no less stylish, strength they are stronger than plastic. It is only important to carefully consider attachment points of the lens to the frame, with a strong metal constriction rims in places of fixation may form cracks, they strikingly spoil the look of the accessory and reduce the service life.
Color and level of dimming glass
Far from all-sun protection glasses are dark. Barrier for Sunlight is by no means intense coloring of the lenses. Even on the contrary, the maximum darkened lenses without UV protection filter harms the eyes even more than translucent glass “chameleons”. The fact, that the dark lenses pupil involuntarily expands and literally absorbs harmful rays.
Radiation protection
If you can decide, then try to choose sunglasses by type protection. Barrier Rate and Filter Type Manufacturers point to a special insert that comes with accessory. Additionally, some manufacturers note on liner conditions in which it is recommended to use glasses.
Categorization of sunglasses filters single, total There are 5 types of protection:
- “0” – the minimum protection against all types of radiation filter passes at least 80% of the light.
- “1” and “2” are the categories of medium radiation protection. First the category skips from 43 to 80 percent of the world, and the second – 18–43 percent.
- “3” is an excellent solution for relaxing and living by the sea, visits to nature and day city walks. Glasses filters do not pass more than 18% of the light.
- “4” – points for Thailand, a place where the sun does not spare any eyes, no skin (how not to burn on holiday in Thailand?). Light transmission they make up 3–8 percent.
May choose sunglasses to face, but do not forget the light transmission, it must be3 or 4 levels for eye comfort in Thailand.
Polarizing coating
Choose the right sunscreen glasses will help understanding all of them characteristics. Optics dealers often mention polarization, telling about glasses models for car enthusiasts and fans beach holiday. In fact, the presence of a polarizing filter indicates that a special coating has been applied to the lenses, blocking highlights and reflections. Therefore, for those who decided to choose high-quality sunscreen glasses to stay in resorts Thailand, you need to pay attention to models with good polarization. Scientifically, vertices are filtered amplitudes of light waves exceeding a given rate.
How to check polarized glasses when buying?
There are three known ways.
- Hologram. Look at the hologram, indistinguishable without points in stores are usually available. Just ask her to seller.
- Smartphone. Turn the display on maximum brightness and put a white background bring the polarized glasses to your eyes and turn them around vertically at 90 °, the lenses should darken to full opacity.
- Two in one. Dresses, second (same) Raise 10-15 cm from the first one and slowly rotate them to a 90 ° angle. The lenses should completely darken, if partial transparency is preserved, then the filter in one of the points does not polarize 100%.
Tip! Leave your choice exactly on polarization because the usual will not be able to protect your eyes as effective as described above.
Photochromic coating
The photochromic layer turns ordinary lenses into “chameleons”. AT light dependency transmittance percentage of light rays photochromic sunglasses changes that allows you to use them even at night for driving car. This filter works as follows: when on glass with a photochromic filter, light enters, they begin to darken, therefore, in the dark days, the points become transparent.
Choosing sunglasses to face
The easiest answer to the question how to choose points sun face shape, this is a tip to try on your favorite model. But sometimes there is no time to try on the whole. store assortment, either you are planning to order an accessory in Internet, which excludes the possibility to wear them and go to the mirror. In this case, the stylists have created a series of recommendations that will help to choose the right shape of sun protection points, focusing only on type and features. But first, consider the practical advice. professionals.
What does the label tell us …
The edges of the rim of the glasses should be slightly out of bounds faces. But they should be wider by more than 1.5 cm. On wide face massive rims will look hard, but owners of an elongated head shape should choose options that will slightly protrude at the temples, thereby adjusting the width of the cheekbones. The thickness of the frame is a matter of taste, but sometimes it also indicates what kind of sunglasses to choose. So, to the owners thinknot (narrow lips and nose) is better not to get involved models decorated with a scattering of stones. In turn, models without the rims will obviously lose against the background of puffy lips and wide snub the nose.
What glasses fit your face shape?
Round face type. When the widest area are cheeks, and the height is almost equal to the width of the face, Points to try to visually lengthen it. For this fit models with square or rectangular lenses. It is important that the corners were rounded, and the frame is clearly highlighted in color, then it will be possible achieve the desired effect.
Square face type. Angulation of forehead and lower jaw indicates that glasses should smooth out this geometry. Rim in In this case, it should be indirect, slightly rounded top line. Massive rims will come place but it is important not to overdo it otherwise Accessory podderkretnetto what you need hide
Triangular face type. High cheekbones and sharp chin – the main features of the triangular face. In this case, points must balance the heavy top and narrow bottom. For this look at them, the shape of the lens of which is called “cat’s eye”, models with oval lenses, slightly narrowed down.
Oval type of face. The case when you can decide on any experiments. Owners of this form of face will go and square and round rims of any thickness and type.
Oblong type of face. For this type of glasses are needed, widening cheekbones. This feature has great points with soft rim lines. Great if top line rim different color, it smoothes the lack of pronounced cheekbones and cheek
