Not because it has a new design, not because it is the current fashion, and not because you liked it when it is displayed on the front of the store, so try relying on that only to buy sunglasses and see the hills of glasses that will pile up for you without being able to use them … so the matter is much greater.
The matter is actually greater than that, but it is not that difficult either. Buying sunglasses depends on 10 rules that you must make sure of so that the glasses you bought are the right glasses in terms of eye protection, comfort, shape, size, size, and quality, do not worry! Here are the simple rules.
10 – 100% UV rays protection
Sunglasses must ensure maximum protection from the harmful ultraviolet rays that emit from the sun’s UV rays. Although 99% of these rays do not reach the earth, the 1% of them that succeed in reaching can cause a lot of damage, The main ones are:
- Blurred vision, which occurs on prolonged exposure to ultraviolet rays.
- Damage to the retina leads to macular degeneration.
- The change in the direction of the eyeball is a result of abnormal growth of tissue in the white part.
- Skin diseases, including cancer.
So when buying sunglasses, it is necessary to make sure that they guarantee protection from these rays by reading the attached description and choosing the original lenses.
9- Sunscreen lenses – Polarization lenses
Not all types of glasses provide this feature, so when buying sunglasses it is necessary to make sure that polarized lenses are available, why? Because it reduces glare and thus guarantees clearer vision and more protection when the sun’s rays are very strong, as is the case on the beach or in places of snow or on the sand so that the sun reflects and doubles its glare.
8 – The bigger the sunglasses the better
The harmful UV rays not only affect the eyes, but also destroy the skin and this is what makes larger glasses the best glasses, but this does not apply to all glasses, but only those that guarantee protection from harmful rays in order to ensure coverage and protection for each area. The eye and the surrounding skin.
7 – Darker or more colored glasses do not mean more protection
If the lenses are colored or darker to a greater degree does not mean that they are better on the contrary, in the event that the lenses are not able to block the UV rays of the sun, these lenses will be dangerous, why?
Because it will be easy to look at the sun directly without feeling any effect of its glow or pain, which increases the possibility of damage to the retina (pain and discomfort when looking at the sun is important in preventing prolonged looking at it and thus protecting from its harmful rays).
6 – It doesn’t have to be expensive
When buying sunglasses, choosing the lenses that guarantee the highest degree of protection and prevent glare does not mean at all paying huge sums, as good glasses are at an affordable price and most of the time the additional cost is due to the distinctive and exclusive design, the expensive brand or the materials from which the frame of the glasses is made.
5 – The size and shape of the eyeglass frame
When it comes to buying sunglasses, the options are very many and varied, depending on the shape of the frame and its size, and it all depends on choosing the right frame for your face shape. If your face is thin, then rely on the smooth frame, but if your face is full, you can rely on larger frames.
With regard to frames, you can distinguish 3 basic dimensions that you must check when buying sunglasses, namely:
It is the lens distance, i.e. the distance between the inner and outer corner of only one lens, which must cover your entire eye and surround it with a somewhat equal distance from all sides, and the lens distance is usually 40-60 millimeters.
Bridge size measurement
The eyeglass bridge is the distance between the two inner corners of the eyeglass lenses, and you should choose it so that it is suitable for the glasses to rest on your nose, and is usually between 14 – 24 millimeters.
Temple size arm
It is the length of the eyeglasses arm, which must be proportional to the dimension of your ear so that the glasses are placed and lean on, and this distance usually ranges between 120-150 millimeters.
4- Choose the material of the glasses frame
In addition to the shape and size of the frame, the options also vary according to the material the frame is made of. This material plays a big role in determining how comfortable these glasses are in addition to their strength, safety, and resistance to breakage and scratches, and the 6 most reliable materials are:
It is considered one of the most common types of tire due to its high resistance, durability, and ease of adjustment to suit many shapes, but it is among the most expensive types.
The tires are nylon
It is a tire that is suitable for players and athletes, it is characterized by its resistance to temperature changes, and it has a lot of flexibility.
Most of the international brands rely on titanium in the frames of their glasses, and they are characterized by high resistance to scratches, and these glasses are the most expensive compared to others.
These tires are made of hard plastic that has a high resistance to various influencing factors, so they are suitable for athletes, but despite this durability, these tires tend to be rigid rather than flexible.
The strongest type among the types of plastics that are relied upon in the manufacture of eyeglass frames in addition to being the most flexible and lightest in terms of weight, as well as the possibility of these frames being available in many colors and shapes, and this color is guaranteed in terms of its survival with the same purity and quality because it is among the Subject.
3 – Buy sunglasses with the lenses that suit you
Lenses come in many types according to the material they are made of, and of course, there is a big difference and difference from their effect to their transparency and clarity of vision, and the most important of these lenses are the following:
It is considered one of the best lenses that are lightweight and highly resistant to scratching. It can be considered the best alternative to glass, as it is quite affordable.
It is generally used for prescription glasses, but it can be found in sunglasses, and it is one of the types that has been subjected to a lot of scientific research and studies to prove that it is safe on the eyes.
It is considered the most popular one, it is clear in color and clear, but it is heavier in weight compared to acrylic lenses and there is one drawback which is that they are susceptible to breakage, making them more suitable for older people whose work does not require much movement.
That is, the polarized lenses we mentioned previously, as they work to block glare when the sun’s rays are strong and sharp and reduce the solar rays when the reflected light comes from different angles for some time, it was at a higher price than other lenses, but now it has become at a close and acceptable price.
Photo-Karmic lenses – optical lenses
Optical lenses can be considered the most advanced technology in the world of lenses. When you walk inside, the discoloration of the lens will disappear, while when you go out and go under the sunlight, it will become darker, and it is used more in medical lenses.
AR Coating Lenses – Anti-Reflective Lenses
In the event that the sun’s rays are at their zenith, these lenses are the solution because they limit reflection, and they are also characterized by durability and high resistance.
2 – Buy sunglasses that fit your face shape
When buying sunglasses, it is imperative to choose the shape that suits your face and features, and this is done as follows:
The face is in a circle
A circular face means that the length and width of your face are equal, with the chin rotating and the smoothness of the borders, and the best glasses are those that extend your face more length and highlight some of your features, so you should choose glasses with geometric square and rectangular shapes.
You can also rely on gazes whose upper bridge protrudes towards the outside, and you should avoid glasses that increase the roundness of the face, such as small glasses or round or oval shapes.
The face is square
A square face is characterized by the convergence of its length and width, with clear outlines and angles in addition to the width of the jaw and forehead.
You should rely on round or oval glasses to give your features more smoothness while avoiding glasses that make the face sharp, which are square or rectangular glasses.
The face has the shape of a triangle or heart
A heart or triangle face has a wide forehead compared to a pointed chin, so the right glasses for you can give your cheeks more width, such as cat-eye glasses, as well as glasses that have a slightly lower upper bridge.
Glasses that are oversize and have too much detail and width in the upper part are not suitable.
The face has a specific shape or diamond
It is characterized by protruding cheekbones while both the chin and forehead are somewhat narrow, and therefore you should buy sunglasses that give your forehead more width and limit the width of the cheeks, which are round or oval-shaped glasses.
Square, rectangular, or narrow-framed glasses are not suitable.
The face is rectangular
In a rectangular face, the length is greater than the width in addition to the forehead area is characterized by being high, so you should buy sunglasses that reduce this difference and it is preferable to rely on oval or circular shaped glasses in addition to choosing them with a relatively large width. As for square or rectangular glasses, they are Inappropriate.
The face is oval
Both the length and width are commensurate with the soft features, and this is what makes buying sunglasses so easy. There are many suitable options such as large-sized, square, or rectangular glasses and cat eyes, while the small and narrow glasses are not suitable.
1 – The appropriate size of the glasses
For your face to be smooth and thin and choosing huge glasses is wrong and vice versa, so it is imperative that all of the sizes of the glasses fit with the size of your face in addition to choosing the correct frame and shape, as for how to determine this, it is simple enough to try glasses and look at the mirror and note whether these glasses Is larger than the face, or is it appropriate.
From now on, the task of buying sunglasses has become an easy task, and you can confidently get what suits you, what protects your eyes, and what is in line with your facial features.