Diopter Sunglasses

According to statistics, every third person has vision problems and therefore wears glasses. In sunny weather, most people wear sunglasses, because they are not only a fashion accessory, but also a very necessary thing, as they protect against ultraviolet radiation harmful to the eyes. And besides, sunglasses protect from the sun. Sunglasses with diopters - a combination of sunglasses and glasses for vision with diopters, they are an excellent and practical option for those who have a visual impairment and at the same time want to protect their eyes from exposure to ultraviolet rays. It turns out that this irreplaceable accessory performs several important functions at the same time: correcting vision, protecting against ultraviolet radiation, providing comfortable sensations to your eyes and also are a fashionable addition to your image.

For many people who want to create a fashionable image, choosing a frame is an important point when choosing this necessary accessory. When selecting it, you need to consider which models are in fashion at the moment, as well as which 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: the best protection level is provided by glasses that cover the eyes and fit the shape of the face most fully.

To best ensure the sun protection function of this accessory, it is necessary to choose glasses with the highest degree of ultraviolet ray filtration. This important quality can be checked in any optics with the help of specialized equipment. Some glasses already have a symbol that indicates the level of filtration. It is a letter combination of UV and numbers, which are an indicator of the level of ultraviolet ray filtering. For a good degree of protection is better to pick up points with a score of at least UV380.

Lenses, corrective vision, for sunglasses with diopters, as a rule, selects an optometrist. That is, when buying such glasses, it is better to visit a specialist in advance and submit a prescription for glasses in optics. But if for some reason you were not able to visit the doctor, then this is not a problem: many optics have devices that conduct computerized visual acuity testing. That is, you can only choose a suitable frame, model of glasses, and an optics specialist will select the lenses for you or buy ready-made glasses suitable for you.

Glasses that correct vision and at the same time protect it from the sun are usually made from several materials: non-optical polymer, glass or plastic. The first material, according to experts, has less protective properties and still misses 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 you prefer a lightweight version - plastic, then you should not worry: modern plastic is not worse than glass, so the choice is yours. In addition, plastic is a more practical material; it is harder to damage than glass.

They are also called “chameleon glasses”, they got this 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 comes into the room, the lenses lose their color, but if he goes outside, they get it again in the sunlight.

And visually, the lenses will be darker if the intensity of the ultraviolet rays is higher, and if it is lower, they will be more transparent and light. This technology differs from different manufacturers and it depends on the structure of photochromic substances that are in the lenses of 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 your sunglasses to ordinary glasses with diopters, being indoors and vice versa, going outside. Such a model will do everything for you and even select the degree of darkening depending on the intensity of the rays.

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

Such glasses with diopters you can choose, relying on the necessary bandwidth to protect your eyes. For walking and car trips around the city, experts advise to pick up glasses with an average degree of tinting, which is characterized by indicators from 18% to 43%, but in addition, it is necessary to pay attention to the fact that this model has a UV protection function. If you choose such glasses for the first time, you can start by giving preference to lenses with a change in the degree of toning. Such a model will look more obscured when looking into the distance, and if you look closely, the toning will be less intense and even translucent.

Such an indispensable accessory has specialized attachments. Thanks to them, you can independently change the shaded lenses to the usual corrective transparent color. To do this, you must either raise the sun protection attribute or, if the lenses are removable, you can simply remove them. Overlays on glasses are called clips in a different way. These glasses are better to choose if you do not have the opportunity to individually select tinted lenses, because glasses with clips are a more budget option.

When choosing such models, check whether the lenses move freely, if there are no obstacles for movement. It is better to make sure that they do not fall out. The main thing is that the shape and size of the glass and cover plates be completely identical.

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

Non-standard colors of lenses, such as pink, lilac, blue or purple, are not recommended by experts because they may cause eye irritation. Glasses with the color of the lens is rarely better to use 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.

Green lenses are recommended by specialists for people with high intraocular pressure or those diagnosed with glaucoma. This color helps them to reduce the amount of fluid inside the eyes. The most favorable for the eyes are green and brown color lenses. You can check the quality of color lenses by looking at any object of white, blue, red or green color.If the color rendition through the lenses does not change, or the changes are minor, it means that the glasses are of high quality and you can safely purchase them.

Some prefer glasses with a mirror-coated lens, but it is very easy to damage or scratch it. Such scratches dispel the eye, which adversely affects the 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 in time.

If such a model of glasses is necessary for you to play sports, then it is better to choose glasses equipped with a compactor. 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 glasses of a streamlined shape. These rules for choosing points for sports are very important because they minimize the possibility of dropping points and perfectly protect from the wind. Also pay attention to the level of eye protection against ultraviolet rays, it is better to choose the highest possible degree of protection.