Sunglasses with diopters

According to statistics, every third person has vision problems and therefore wears glasses. In sunny weather, most people wear sunglasses, as they are not only a fashion accessory, but also a very necessary thing, as they protect against ultraviolet radiation harmful to the eyes. Plus, sunglasses protect you from the sun. Prescription sunglasses are a combination of sunglasses and prescription glasses and are an excellent and practical option for those who are visually impaired and at the same time want to protect their eyes from UV rays. It turns out that this indispensable accessory performs several important functions at the same time: they correct vision, protect against ultraviolet radiation, provide a comfortable feeling to your eyes and, moreover, are a fashionable addition to your image.

For many people who want to create a trendy look, the choice of frames is an important consideration when choosing this must-have accessory. When choosing it, it is necessary to take into account which models are in fashion at the moment, as well as what image you want to create using glasses. Well, of course, you should rely on your taste.When choosing sunglasses with diopters, it is important to remember one rule: glasses that cover the eyes and fit the shape of the face most completely have the best degree of protection.

To best ensure the sun protection function of this accessory, it is necessary to choose glasses with the highest degree of UV filtering. This important quality can be checked in any optics using specialized equipment. Some glasses already have a designation that shows the level of filtration. It is a letter combination of UV and a number, which is an indication of the level of filtering of ultraviolet rays. For a good degree of protection, it is better to choose glasses with an indicator of at least UV380.

Corrective lenses for prescription sunglasses are usually selected by an optometrist. That is, when buying such glasses, it is better to first visit a specialist and present a prescription for glasses in an optician. But if for some reason you could not visit a doctor, then this is not a problem: many opticians have devices that perform computerized visual acuity testing. That is, you can only choose a suitable frame, model of glasses, and the lenses will be selected for you by an optician or buy ready-made glasses that are suitable for you.

Glasses that correct vision and protect from the sun at the same time are usually made from several materials: non-optical polymer, glass or plastic. The first material, according to experts, has less protective properties and still transmits ultraviolet rays, but, unfortunately, it is difficult to distinguish it from plastic. It is believed that the best material for such a model of glasses is glass, but it is much heavier than the other materials listed above.If the lighter option, plastic, is more suitable for you, then you don’t have to worry: modern plastic is no worse than glass, so the choice is yours. In addition, plastic is a more practical material, it is more difficult to damage it than glass.

They are also called "chameleon glasses", they received such a name due to the unusual property of lenses to change their color based on the quantitative characteristics of the light falling on them. That is, it looks like this: when the owner of such a model of glasses enters the room, the lenses lose their color, but as soon as he goes outside, they acquire it again in sunlight.

Moreover, visually the lenses will be darker if the intensity of exposure to ultraviolet rays is higher, and if it is lower, they will be more transparent and lighter. This technology differs from manufacturer to manufacturer and it depends on the structure of the photochromic substances that are in the lenses of the glasses, and on the distribution of such substances.

Chameleon glasses are very convenient and practical, because with them you do not have to constantly change sunglasses for regular prescription glasses while indoors and vice versa when you go outside. Such a model will do everything for you and even select the degree of dimming depending on the intensity of the rays.

These glasses are perfect for car drivers, as modern manufacturers use the latest technology in the manufacture of glasses for motorists. Thanks to them, the lenses darken even when you are in the car, if they are exposed to ultraviolet rays penetrating through the car glass. These chameleon glasses will perfectly protect against blue short-wave rays of the sun that penetrate through the windows.

You can choose such glasses with diopters, based on the tinting bandwidth necessary to protect your eyes. For walking and car trips around the city, experts advise choosing glasses with an average degree of tinting, which is characterized by rates from 18% to 43%, but in addition, you need to pay attention to the presence of such a model of UV protection. If you choose such glasses for the first time, you can first give preference to lenses with a change in the degree of tint. Such a model, when looking into the distance, will darken more, and if you look up close, the tinting will be less intense and even translucent.

Such an indispensable accessory has specialized fasteners. Thanks to them, you can independently change the tinted lenses to regular corrective transparent colors. To do this, you either need to raise the sun attribute or, if the lenses are removable, you can simply remove them. Eyeglass overlays are also called clips. It is better to choose such glasses if you do not have the opportunity to individually select tinted lenses, because glasses with clips are a more budgetary option.

When choosing such models, check if the lenses move freely, if there are any obstacles for movement. Better make sure they don't fall out. The main thing is that the shape and size of the glasses and overlays be completely identical.

When choosing glasses with diopters, special attention should be paid to the color of the lenses, since the individual color tolerance of the eyes of each person is different. Thus, the yellow color increases the contrast, many sports glasses are available with yellow lenses, they are very popular among athletes and drivers.

Non-standard lens colors, such as pink, lilac, blue or violet, are not recommended by experts because they can cause eye irritation. It is better to use glasses with this lens color rarely if such a model is necessary to create an image.

Gray and brown colors have the property of minimal color distortion, so they are most suitable for the manufacture of sun lenses.

Experts recommend using green lenses for people who have high intraocular pressure or those who have been diagnosed with glaucoma. This color helps them reduce the amount of fluid inside the eyes. The most favorable for the eyes are green and brown lens colors. You can check the quality of colored lenses by looking at any object that is white, blue, red, or green. If the color reproduction through the lenses does not change, or the changes are insignificant, then the glasses are of high quality and you can safely purchase them.

Some people prefer glasses with mirrored lenses, but it is very easy to damage or scratch them. Such scratches scatter the eye, which adversely affects vision. Therefore, it is better to choose glasses with a different lens coating, and if you still prefer them, then it is important to replace damaged lenses on time.

If you need such a model of glasses for sports, then it is better to choose glasses equipped with a seal. It is better to choose this accessory with a tight-fitting frame, it is important that there is no free space between it and the lenses. As for the shape of the glasses, try to give preference to light, streamlined glasses. These rules for choosing goggles for sports are very important because they minimize the possibility of goggles falling and provide excellent wind protection.It is also worth paying attention to the level of eye protection from ultraviolet rays, it is better to choose the highest possible degree of protection.