Choice of glasses
Very often, motorists have to drive a car at night. Both on the highway and in urban environments, the driver is always surrounded by cars with their headlights on.
When exposed to blinding headlights, a person's eyes can experience intense strain and stress.
Recently, the popularity of xenon lamps has also been growing, the intensity of which is much higher than halogen and incandescent lamps. Cars with such headlights are increasingly appearing on the roads, blinding drivers of other cars with intense streams of light. The brightness of xenon lamps is almost twice as high as that of halogen lamps. Xenon lamps have a brightness of about 3200 lm, while halogen lamps have a brightness of 1400-1600 lm. Such a high brightness of the glow has a very negative effect on the vision of other road users. When shining such an intense stream of light directly into the driver's eyes, the driver experiences instant loss of vision, which lasts several seconds.
Night blindness is a disease and one of the symptoms is loss of night vision, which you can read about here.
The danger is that while blinded, the driver may not be able to control the car and end up in an emergency. Road accidents occur at night most often for this reason.
Anti-headlight glasses
Ophthalmologists recommend wearing special glasses with polarized lenses when driving at night. Their other name is anti-headlight glasses. These glasses have a monochrome effect, protect your eyes from ultraviolet rays and absorb bright rays and glare from the windshield, wet asphalt, car headlights and dashboards. Thanks to these properties of glasses, driving at night becomes more comfortable and safe. It has also been established that polarized lenses of glasses not only eliminate visual interference, allowing you to see all objects on the road, but also increase the driver’s reaction. Glasses with these lenses can also be worn on sunny days, as they effectively absorb ultraviolet rays. Tinted contact lenses can also serve as a good replacement.
The choice of polarized glasses should be taken seriously, since safety on the road depends on their quality. When selecting these glasses, it is necessary to take into account many criteria. First of all, you need to choose the right frame.
According to face shape
As a rule, most glasses for night driving are universal and fit well on both men's and women's faces. Polarized glasses, just like regular glasses, can have different frame shapes. They can be oval, round, rectangular or drop-shaped. According to the design of the frame, these glasses are most often rimless or semi-rimless.
For which face shape are round glasses suitable, see this article.
There are some rules when choosing glasses according to your face shape:
- All types of glasses will suit the lucky owners of oval-shaped faces. Aviator glasses look especially good on an oval face.
- On a round face, square or rectangular glasses with wide temples will look good. The pointed shape of the glasses will direct the gaze to the temple, elongating the face.
- Triangular faces, on the other hand, should not wear square-shaped glasses. Glasses with black frames or “retro” frames are ideal for them.
- People with a square face are advised to purchase large glasses with a round shape and bright or dark frames.
You can read about fashionable glasses frames in this material.
According to the shape of the frame
Nowadays, there is a wide variety of models and shapes of glasses frames to suit every taste. They can have a wide variety of shapes, which allows the owner of the glasses to emphasize his individuality. With the help of glasses frames, you can give your face any expression, from elegant, cold severity to rapid energy and restlessness. A well-chosen frame of glasses allows you to divert your eyes from the imperfections of your face and turn them to your advantages.
The functionality of the glasses and their service life depend on the quality of the frame. After all, glasses with low-quality frames quickly become unusable.
The frame of glasses for driving at night should, first of all, be comfortable, light and as functional as possible. After all, these glasses are purchased not to highlight your style, but to ensure safety and comfort while driving a car.
It is desirable that the frame of the glasses fits tightly to the temporal part of the head, but does not compress it. In this case, models with flex or soft, flexible temples are ideal . The temples should have a thickness of up to 6 mm. It is advisable that they are attached to the top of the frame, and not in the middle, as this allows the driver to increase their peripheral vision. Nose pads and ends of the temples must be made of rubber.
When choosing a frame for glasses, you also need to pay attention to how comfortably it fits on the bridge of your nose and whether it slides down onto your cheeks. The fit of the glasses must be correct; the glasses must be firmly fixed on the face so as not to distract the driver from driving the car.
In general, the frame should be light and narrow; it should not cause any irritation or negative emotions in the driver. A frame that is too large can limit peripheral vision, causing the driver to miss a pedestrian. The key to safe driving is the convenience and comfort of the driver.
Special glasses for work and hobbies
Some people find that their regular glasses are fine for everything except certain tasks. Many things are associated with their work or hobbies, for example, if you wear bifocal lenses, you will not be able to read on your lap. You will have to tilt your head back, because the letters are visible only at the bottom or top of the lenses.
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Special glasses with a higher area will help you avoid discomfort and help you enjoy reading under any conditions. Note that in this area not only bifocal, but also trifocal lens options are used.
If your hobbies involve magnifying objects, such as beading, embroidery, crafting, or anything that requires intense focusing, then you will need a separate pair of specialized glasses. The structure is similar to those described above, but the lenses have a different structure
As for the place of purchase, it all depends on the need for correction.
When I finished reading War and Peace
If the level of vision in each eye is the same, then make a purchase at a bookstore or optician. Otherwise, you will need to undergo an examination to determine the accuracy of the adjustment and receive a prescription for the manufacture of the product. The process is lengthy, but there is no way to do without it.
Selecting spectacle lenses
Spectacle lenses for motorists must be selected with special attention, since the risk of a driver getting into an accident depends on their quality.
Choosing the wrong lenses can have dire consequences.
The lenses of glasses for driving in the dark have a polarizing coating that protects the eyes from bright glare that occurs when light is reflected from horizontal surfaces - water, ice, snow, glass, etc.
Read what lenses for glasses with diopters are used for here.
The polarizing film of these glasses is designed in such a way that it transmits only vertically polarized light rays.
Polarized lenses have many advantages:
Lens palette
- They fully protect against ultraviolet radiation that is harmful and dangerous to the eyes;
- Increase visual acuity;
- Helps eliminate intense and bright glare;
- Eliminates glare when shining bright light into the eyes and relieves tension;
- Maintains image clarity and color perception.
Filters in glasses for driving at night do not transmit the violet-blue part of the spectrum, which makes it difficult to focus on an object. Therefore, lenses designed for night driving are yellow, red, and orange.
Kinds
Lenses for glasses for motorists can be of various types. Lenses can be made of glass or plastic. For driving, it is still recommended to purchase plastic lenses to ensure safety . In the event of an accident, there is less risk that plastic lenses will injure your eyes. In addition, the weight of plastic lenses is half that of glass. Thanks to this, plastic glasses are lighter and more comfortable to use. The main thing is not to forget that care for night lenses is necessary.
How to choose the right one
When choosing glasses for driving at night, you need to pay special attention to some features:
- First of all, you need to choose the color scheme of the lenses. It is advisable to choose lenses in yellow or light brown tones. These tones are most effective at blocking a certain range of colors from visible light, resulting in clearer images and less eye fatigue. Warm shades of lenses are ideal for drivers, as they do not distort the colors of traffic lights and car lighting equipment.
- The level of protection against ultraviolet rays does not need to be taken into account if glasses are purchased in order to use them at night. It would be better to purchase glasses to protect your eyes from the computer. They can be used during the day. However, if the glasses will also be used during the daytime, it is advisable to choose glasses with a high level of ultraviolet protection - UV380 - UV400.
- The light transmission of glasses must be at least 75%. According to the international ISO standard, this is exactly the amount of light they must transmit to ensure good visibility.
- It is recommended to buy glasses from trusted stores that can guarantee to provide an optically correct lens, instead of fake glasses with curved tinted plates. Lenses must be polarized. It is this property of glasses that reduces the brightness and increases the contrast of the image, thus reducing visual strain.
As a rule, in good, reputable stores, when purchasing glasses with polarized lenses, they will provide you with a special sign, the inscription on which you can only see through polarized lenses.
This proves their authenticity and quality. To distinguish real, high-quality polarized lenses from fake ones, you can also conduct an independent check.
are used for this :
- Place the glasses in a horizontal position opposite the display of an electronic device (computer, phone, tablet) and rotate them 90 degrees to a vertical position. The lens should darken.
- Put on one pair of polarized glasses and pick up another. Rotate the glasses 90 degrees and look at the lenses. If they darken, then the glasses have a polarizing filter.
- Take a look at the glass of the display cases reflecting objects wearing glasses with polarized lenses. The glare will disappear and the glass will become transparent. You will see what is behind the glass of the display case without any visual interference.
Don't skimp on glasses with polarized lenses.
Typically, a product with low quality is sold at a low price. Such a product will not last long and, in addition, can cause significant damage to vision. It is better to give preference to well-known brands when buying glasses for driving a car.
Special glasses for sports
Sports products are very relevant for active people. Changing the shade of your sunglasses improves your visual acuity on the tennis court, golf course or ski slopes. Manufacturers of sports glasses are also working on safety, protecting the eye sockets from many injuries.
The famous Edgar Davids wearing special sports glasses.
The only football player in the world who was allowed by FIFA to wear glasses in the game
To ensure that the items correspond to the functions they perform, individual components are made of impact-resistant polycarbonate. The metal base is not used in order to maintain the safety of the person's face.
User reviews
Buyers have different opinions about glasses designed for driving at night. Some people approve of them and consider them an indispensable device that allows them to effectively eliminate glare and glare from high-beam headlights at night. Negative buyers argue that these glasses not only do not provide benefits, but can also be unsafe, since the tinted lenses reduce contrast and create a blurred vision of objects, as a result of which you may not see an obstacle or a moving pedestrian.
Proper care
Now you know how to choose glasses; their service life depends on what material is chosen for the lenses and how they were cared for. Glass lenses are considered more resistant to wear. Plastic ones may no longer perform polarizing work over time due to abrasion.
Glasses, even sunglasses, require careful handling. Cases are used for storage. They should not come into contact with a hard surface. If glasses need to be put down, the lenses should be located at the top. A special clean cloth is used for wiping; it is included in the kit. If the glasses have not been used and are heavily soiled, washing is acceptable. To do this, clean water and soap are used or treated with special products, after which the lenses are thoroughly wiped with a special cloth.
Try not to apply any sudden force to the frame; if a defect is detected, contact the optician for correction. Do not attempt to repair your glasses yourself. With proper protection, they will serve you for a long time, which means you won’t have to change them, waste time and money, again looking for the ideal option for yourself.
conclusions
To truly understand whether these glasses are right for you, it is advisable to try them on yourself. Having put them on once in the dark, you will understand whether they benefit you or, on the contrary, only interfere with driving. These glasses may only be suitable due to individual characteristics.
The same applies to the correct selection of glasses for vision. It is imperative to consult with doctors to find the glasses you need. Otherwise, vision loss and hypermetropia may develop.
Protective glasses
Among work options, safety glasses occupy a special place. They save your eyes from debris and help avoid injury. The product is indispensable when working with power tools, an axe, a saw, a hammer. If necessary, they are accompanied by elements of vision correction.
The safety glasses are made from heavy-duty materials and provide greater face and eye coverage than the regular option. Many elements include spring hinges and advanced materials for added strength.
Glasses are an assistant that should provide all the functions mentioned above. If the item prevents you from reading or driving, pick up another pair. The product will be useful, and the effect of its use will exceed all expectations.
Types of ONV: which one to choose?
Today, there are two types of NVGs: binocular and pseudobinocular. The first type of glasses consists of two identical channels for the left and right eyes. Each channel contains a lens, an electron-optical converter and an eyepiece. In such ONVs, the image is processed separately by each channel. Most models have a special regulator that allows you to adjust the distance between the pupils. Therefore, each operator can customize binocular night vision goggles for himself. A photo of a device of this type is presented below.
Binocular NVGs allow you to quickly determine the distance of objects to the lens, but they are heavy and expensive. Their use is justified only when performing tasks that require quick assessment of distance and speed. Therefore, binocular glasses are most often used by special forces and helicopter pilots for night operations.
In pseudobinocular glasses, the image that enters the lens of the optical channel is amplified, followed by its division into two eyepieces. This type of goggles is ideal for night fishing and hunting.
