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Check the product labels
Pay attention to whether the sunglasses are marked with anti-ultraviolet and impact-resistant functions. Not all sunglasses can block ultraviolet rays. If a pair of sunglasses has the “anti-ultraviolet” function, there should be labels such as “100% UV protection” or “UV400” on the product label or the front of the sunglasses.

For sunglasses with “impact-resistant” function, there should be descriptions like “with impact resistance”, “passed FDA certification”, “compliant with the highest European and American standards” on the label or instruction manual. Meanwhile, these labels or instruction manuals should be kept properly, so that there is evidence to rely on in case of problems.

In particular, when fitting myopic sunglasses for myopic children, it is recommended to choose myopic sunglass lenses with impact resistance to prevent unnecessary accidents for lively and active children during sports.

Observe the lens quality
When putting the sunglasses in front of your eyes, look at distant objects through the lenses. Move the glasses up, down, left and right, and the target should not swing, and the lens color should be stable. Looking through the lenses, the colors of surrounding things should not be distorted, and the ability to distinguish different color signal lights should be maintained.

The depth of the sunglasses lens color is not very helpful for resisting ultraviolet rays. When choosing sunglasses, in addition to pursuing beauty and recognizing the labels, more attention should be paid to their protective effect. Good sunglasses can effectively block ultraviolet rays and glare, and reduce the damage to eyes from bright light, harmful ultraviolet (UV) light and glare. Polarized lenses, anti-reflective coated lenses, etc., can help sunglasses better reduce glare, prevent reflection, increase the contrast of objects in foggy and cloudy days, and make the vision clear.

As a professional eyewear supplier, we are specialize in acetate eyewear and metal eyewear and buffalo horn eyewear.

Many fashion influences choose to wear cool sunglasses in the hot summer to enhance the fashion sense of their outfits. But many people may wonder: do I usually need a pair of sunglasses in summer? After all, I don’t need to strike a pose. Today, I will answer this question for you.

Is a pair of sunglasses really necessary? Normal eyes can adapt to light by themselves. The main reason for wearing tinted sunglasses is that the eyes feel uncomfortable, or that long-term exposure to strong sunlight at work may damage the eyes. “People’s ability to tolerate strong light varies. If you have to squint or often shed tears under the scorching sun, then you should wear sunglasses,” an ophthalmologist advised. Strong light is harmful to the eyes. A person who often stays in the scorching sun will have their night vision reduced by half. Therefore, if you are walking a long distance or staying on the beach, you should wear sunglasses.

However, unless you need to wear dark sunglasses as specified by an ophthalmologist due to pathological conditions, do not always wear dark sunglasses to look cool or cover up your eye diseases. A publication of the Hong Kong Consumer Council once warned that frequently wearing sunglasses unnecessarily can be addictive, and it will feel very uncomfortable to go without them during the day afterwards. Will cheap sunglasses damage the eyes?

The simplest answer is: quite possibly. Cheap tinted sunglasses are made by blowing rather than grinding. Blown sunglasses is bound to have various defects.

Substandard sunglasses are sold everywhere. Retailers say these defects are very minor and ordinary people will not notice them. This statement is specious. When the defects are minor, the eye muscles can more or less adapt. However, constant adaptation will eventually cause muscle and nerve fatigue. Of course, if you are just sunbathing and your eyes don’t need to work, the problem won’t be so serious. But if you have to work outdoors, such as in construction, reading, playing tennis, or driving long distances under the scorching sun, your eyes will keep moving up and down, left and right, from near to far, and you will use the entire range of the lenses. In such cases, it will be difficult to constantly adapt to a pair of lenses with poor quality.

As a professional eyewear supplier, we specialize in acetate eyewear, metal eyewear, and buffalo horn eyewear, we offering style, function, and premium craftsmanship.

In the hot summer, many girls choose a pair of sunglasses. They can not only block the excessively dazzling sun but also add a touch of style to your fashion look. Today, I’ll take you through how to pick the right sunglasses according to your face shape.

Inverted Triangle Face, Diamond Face: Recommend Soft Floral Frames

Although this face shape may look a bit like a superstar’s, in daily life, it tends to give a sense of distance. This is because the chin appears sharper than other face shapes. Therefore, when choosing sunglasses, try not to pick those with overly hard lines; otherwise, the strong linear feel will make your face look even more distant. You can also choose sunglasses with floral decorations to soften the lines of your face. Moreover, the shape of the eyewear frame can be a perfect circle that is wider at the top and narrower at the bottom, which can greatly reduce the sharpness of your chin.

Triangle Face: Wear Light-Colored Frames

The triangle face shape is quite similar to the square face in our perception. Both have distinct contours in the cheek area, and the forehead appears less wide, narrower than average, and the face shape is also shorter.

Girls with this face shape can choose sunglasses with a gradient color scheme from top to bottom. It’s best to pick ones where the upper part of the eyewear frame is one color, and the lower part is visually lighter. Wearing such sunglasses can not only modify your facial lines but also elongate your face shape. However, for triangle faces, avoid choosing frames that are too dark or overly fancy, as they will make your facial lines more prominent.

Round Face: Cat-Eye with Upward Curve is Suitable

Girls with a round face shape have more flesh on their faces, a relatively short chin, and the face is also on the shorter side, giving a cute look. This face shape is most suitable for cat-eye sunglasses.

Because wearing cat-eye sunglasses creates an illusion that the lines on your face are lifting upward. Besides cat-eye sunglasses, you can also choose ones with slightly higher temples. These types can well modify your face shape.

Pear-Shaped Face: Choose Wide Gradient Eyewear Frames

The most prominent features of a pear-shaped face are that the cheekbone area is relatively narrow, the temples look a bit sunken, there is a lot of flesh on the cheeks, but the cheekbones are high, so usually, the flesh on the face is not obvious. Therefore, when choosing sunglasses, it’s best to pick those with wide eyewear frames and wide temples, in gradient colors. Such sunglasses can modify the curves of your face, and this style can just cover the sunken temples, making your face look like a standard oval face.

Square Face: Match with Eyewear Frames That Are Not Too Narrow or Thin, with Arc Angles

For square faces, it’s advisable not to choose overly round sunglasses, as this will make your facial features more angular. However, don’t choose too wide or too square ones either, as they will highlight the flaws in your facial lines. It’s best to choose large sunglasses with slightly arc angles. Wearing such sunglasses has a good face-slimming effect, and they can also elongate your face shape, making your facial lines look much softer.

Oval Face: Match with Oval Eyewear Frames

The oval face is versatile and can go well with any shape of sunglasses. So you can confidently choose the most popular and trendy styles to match. But if you want to show off the advantages of your standard oval face, you can choose oval eyewear frames, which will better highlight the beauty of the facial lines of your oval face.

As a professional eyewear supplier, we specialize in acetate eyewear, metal eyewear, and buffalo horn eyewear—offering style, function, and premium craftsmanship.

Sunglasses are definitely a fashion favorite and a great tool for styling in the shinny summer. But how do we choose the right sunglasses? Do we really need them? How important is the color of the lenses? What about the size of the lenses and eyewear frame? There’s actually a lot to learn about this.

Choosing Lenses
How to pick good lenses? Sunglasses are categorized into light-absorbing, polarized, coated, and photochromic types. The best lenses are polished using optical procedures, just like the optical frame prescribed by doctors. Plastic lenses, similar to Rx ones, vary greatly in quality. Generally, plastic lenses are lighter, shatterproof, and cheaper; however, they are prone to scratches, so special care must be taken when touching or cleaning them.

There are several simple ways to test the lenses: Observe them under light. The lenses should be completely clear, with no cross scratches, streaks, circles, bubbles, or stains at all. Move the lenses up, down, left, and right to look at objects with distinct lines, such as window frames or door frames. If these objects appear wobbly or distorted, the lenses have distortions and are not usable. To check if the lens color is uniform, pay attention to whether the two lenses have the same color and if their gradually lightening parts are in the same positions.

Lens Colors
The price of sunglasses doesn’t entirely reflect their optical quality. Because the most expensive ones may just have novel designs, and what you’re paying for could be the fashionable eyewear frame rather than the optical quality of the lenses.

What color is the best? Generally, natural pure gray and “smoke” colors are the best. Lenses of these colors are the hardest to manufacture, so inferior sunglasses won’t use them. Next is green. Blue and red lenses are only used in certain industrial applications. There are also special yellow lenses. Therefore, the choice of lens color depends on the purpose. How dark should the color be? The darkest colors are suitable for use in strong light. It’s very dangerous to use them when driving on roads with fluctuating light conditions. Many people find the lenses of the sunglasses they buy suitable in brightly lit stores, but they turn out to be too light when used at the beach or in the countryside. The best way is to take the sunglasses outside and look at the sun. It’s advisable that only 20% to 30% of the light can pass through in strong sunlight.

As a professional eyewear supplier, we are specialize in acetate eyewear and metal eyewear and buffalo horn eyewear.

There is a rather special eyewear product called a “sunglass clip-on”. It is a type of sunglasses specifically designed for people who wear optical frame. By simply clipping this clip-on onto their existing optical frame, their myopia eyewear can instantly be transformed into sunglasses, thereby providing better protection for their eyes.

How should we choose a sunglass clip-on?
First, check if the sunglasses clip-on has a polarizing effect.

The polarizing effect can help us better distinguish objects under reflected light and strong light, making it suitable for people who fish, ski, or drive. In general, most sunglasses clip-ons have this function. However, regular eyewear brands will come with a polarizing test card, which features patterns of fish and water surfaces for consumers. Therefore, you can try on the sunglasses clip-on, and if you can see the fish, it indicates that its polarizing effect is good.

Second, verify if it has UV protection.

When purchasing a sunglasses clip-on, consumers must confirm whether the product has UV protection. If it only has a light-filtering function but no UV protection, it cannot fully block UV radiation, and the damage to the eyes cannot be avoided.

Third, inspect the structure of the sunglasses clip-on.

Non-regular brands usually use iron components, which can easily cause the lenses to get scratched and even harm the eyes. On the contrary, if we choose big brands, their quality is guaranteed. When the lenses come into contact and bear force, they can avoid the phenomenon of being separated by silicon gel.

As a professional eyewear supplier, we specialize in acetate eyewear, metal eyewear, and buffalo horn eyewear—offering style, function, and premium craftsmanship.

In the sweltering summer, a trip to the seaside is definitely the best choice. However, the intense sunlight causes trouble for those of us who are nearsighted. At this time, we need a pair of sunglasses, so how should myopic people choose the right sunglasses?

Myopic sunglasses lenses are mainly divided into three types: photochromic myopic sunlenses, tinted myopic sunlenses, and polarized myopic sunlenses. These three types of sunlenses have a common advantage: they are all suitable for all optical frame and sunglasses frame with small curvature, and combine sunglasses and optical frame in one, which is more aesthetically pleasing.

Main features of photochromic myopic sunlenses: Photochromic sunglasses adjust the depth of color according to the intensity of ultraviolet rays, which can meet the needs of wearing indoors and outdoors and effectively prevent ultraviolet rays. However, when used in a car, the ultraviolet index inside the car is usually unstable, so the photochromic effect is not very ideal.

Main features of tinted myopic sunlenses: Tinted resin sunlenses are relatively low in price and economical. However, ordinary tinted myopic resin sunlenses may not have a good ultraviolet protection effect if there is no additional coating.

Main features of polarized myopic sunlenses: The advantage of polarized myopic sunlenses is that they can effectively prevent ultraviolet rays, but their price is relatively high, and they are not suitable for indoor wear. Moreover, the polarized myopic lenses sold on the market currently only have a refractive index of 1.50. For people with high myopia, the sunlenses will be relatively thick.

Factors to consider when purchasing:
Appearance inspection: In addition to ensuring that the sunlenses have no scratches, impurities, bubbles, or streaks, ladies who love beauty must pay attention to the fact that only those with UVA, UVB protection and CE marks on the sunlens surface or tag can play the role of ultraviolet protection.

Myopic sunlens quality: Hold the lens about one foot in front of your eyes, look at a fixed object through the center, and then move it up and down gently. If it is a plain lens, the object should not move. If the object moves with the lens or is distorted, it means the lens is not flat and has unevenness. Such sunglasses should not be bought.

Depth of color: Sunglasses with too light colors have little light-filtering effect; while too dark colors can easily affect vision. In general, brown, gray, and dark green are more appropriate. They have good light-filtering effects, and the scenes seen after wearing the glasses will only become darker without obvious color difference.

Ultraviolet protection function: We cannot distinguish with the naked eye whether a pair of sunglasses has the function of ultraviolet protection. The manufacturer’s explicit commitment to the product is the only reference for consumers to choose sunglasses with protective functions. We can see explicit labels such as “100% UV protection”, “UV400”, “blocks all ultraviolet rays”, “UV protection” on the labels of some products and the front of the eyewear.

Comfort is the key: When choosing a pair of sunglasses, don’t blindly follow the trend. You should also choose the size and curvature of the eyewear according to your face shape. In addition, when trying them on, check if there is a sense of dizziness to avoid accidents such as car accidents caused by dizziness from wearing inferior sunglasses. Also, check if the transparency is high, and it’s better to have a polarized function.

As a professional eyewear supplier, we are specialize in acetate eyewear and metal eyewear and buffalo horn eyewear.

Sunglasses, also known as sunshades, as the name suggests, are used to block the sun. They prevent direct sunlight from causing significant damage to eyesight. But today, we’re going to introduce a special type of sunglasses: polarized sunglasses.

Polarized sunglasses are a category of sunglasses, but they are among the more high-end ones. They have a function that ordinary sunglasses don’t: they can effectively block and filter out various harmful polarized lights.

The so-called polarized light refers to the irregular reflected light generated when light passes through uneven road surfaces, water surfaces, etc., also known as glare. When these lights directly shine into people’s eyes, they can cause discomfort, easily lead to fatigue, make it impossible to see things for a long time, and significantly reduce the clarity of the viewed objects.

Ordinary sunglasses only work by dimming light. Since ordinary lenses cannot filter light, they can only reduce the intensity of glare, ultraviolet rays, etc., but cannot completely block these harmful rays. So their function is only to reduce damage to the eyes, but the biggest advantage of ordinary sunglasses is their good fashionability. Polarized sunglasses lenses, due to their polarizing properties, can completely block the dazzling glare caused by scattering, refraction, reflection and other factors. At the same time, they can also completely block ultraviolet rays that are harmful to human eyes, so that when people are active in strong light for a long time, their eyes are not easily fatigued, achieving a truly protective effect, and making the things seen clearer and more three-dimensional.

Because polarized sunglasses have the function of polarizing light, they can block all harmful rays without affecting the transmission of visible light, truly protecting the eyes. In addition to the basic ultraviolet protection function, polarized sunglasses also prevent glare, road reflected light, water surface shimmer, etc., making them suitable for driving, fishing, traveling, and daily wear.

As a professional eyewear supplier, we specialize in acetate eyewear, metal eyewear, and buffalo horn eyewear, sunglasses and optical frames, offering style, function, and premium craftsmanship.

Choosing a pair of lightweight and durable sunglasses can definitely protect your eyes in the scorching summer and add a stylish touch to your look. So, what materials should we choose for eyewear lenses? As a professional eyewear supplier, please allow us to briefly introduce several lens materials.

Lens Materials:
Resin: Common types of resin include PC lenses and regular resin lenses.

PC Lenses: PC stands for polycarbonate. Polycarbonate is 57% lighter than glass lenses and 37% lighter than regular resin lenses. It features high toughness, hardness, and shatter resistance, making it ideal for active children and athletes. Additionally, its high refractive index allows PC lenses to be made very thin. What’s more, PC lenses inherently block UV rays—unlike glass, they don’t require a coating to provide 100% UV protection.

However, PC lenses have drawbacks: their strength is lower than glass, so they are not wear-resistant and require a coating for long-term use. They are also softer than glass and prone to deformation under pressure, making them unsuitable for hand-made acetate eyewear or rimless metal eyewear. Their high refractive index also results in a low Abbe number (around 32), leading to significant dispersion.

CR-39 Lenses: Regular resin lenses typically refer to CR-39 resin lenses from the United States. They have a high Abbe number (low dispersion) and a slightly higher density than PC Lenses, but are still much lighter than glass and shatter-resistant. Even if they break, they don’t form sharp edges. Their refractive index is relatively low (around 1.5), so the lenses are thicker.

Glass Lenses: Glass was the earliest material used for eyewear lenses. It is hard, resistant to deformation and discoloration, and less prone to scratching than PC or resin. Its refractive index can be adjusted by adding different substances; ordinary glass lenses have a refractive index of approximately 1.523.

The disadvantages are that glass lenses are heavy—almost twice the weight of resin lenses—and fragile. If they shatter, they can easily scratch the eyes. For these reasons, glass lenses are now rarely used, replaced by resin lenses.

MR Lenses: MR lenses are high-refractive-index materials with the most balanced performance indicators, especially suitable for eyewear production. They are lightweight, provide clear vision, have high pressure resistance, and are less likely to break. Most importantly, they resist yellowing better than ordinary lenses, maintaining clarity and brightness over time, and have excellent corrosion resistance.

Nylon Lenses: Nylon lenses represent relatively new technology. They offer physical strength close to PC and optical performance similar to CR-39, with low weight, making them an ideal lenses material. However, they are more expensive than PC lenses.

Lens Coatings:
All lens materials have drawbacks, so coatings are applied to improve their optical properties.

By Function: Common coatings include hardening coatings, anti-oil coatings, polarizing coatings, anti-UV coatings, and multi-layer coatings combining multiple functions.

By Color: Coatings are mainly green, blue, red-green, etc. The color of the coating has no specific correlation with its function, so there’s no need to focus on it.

Blue is a cool tone, red is warm, and green is neutral. Psychologically, people tend to adapt better to green coatings, making green-coated lenses feel more comfortable (though this is purely a psychological effect).

Hardening Coatings (Scratch Resistant Polymer): These reduce the risk of lens scratches. Glass lenses generally don’t require a hardening coating, but resin lenses must have one.

Anti-Oil Coatings: These not only reduce smudges on the lens surface but also repel water, fog, dust, oil, and other contaminants.

Anti-Reflective (AR) Coatings: Applied to the side of the lens closest to the eye, these prevent ghosting by reducing reflections from light entering the back of the lens. They channel light from the back to the front of the lens, minimizing reflection interference and significantly improving visual clarity, with noticeable benefits for wearers.

While some coatings harden the lens surface, they remain delicate and require careful handling. All coatings have a lifespan; if a coating is damaged, the lens is essentially ruined.

UV Protection:
UV (ultraviolet) protection is a must for sunglasses. It is unrelated to lens color or light transmittance and is typically achieved through coatings. Common labeling methods include:

“UV400”: Indicates the lens blocks UV rays and visible light with wavelengths below 400nm. A lens is considered qualified if it transmits less than 2% of UV rays.

“UV” or UV Block)”: Indicates the lens blocks UV rays with wavelengths below 380nm. A lens is qualified if it transmits less than 2% of UV rays.

“100% UV Absorption”: Claims to absorb 100% of UV rays. In practice, a lens is qualified if it transmits less than 0.5% of UV rays.

SHMC Lenses: means the lenses with Super Hydrophobic coating + AR coating + hard coating anti scratches polymer.
As a professional eyewear supplier, we are specialize in acetate eyewear and metal eyewear and buffalo horn eyewear.

To prevent the eyes from being damaged by the harsh summer sunlight, it is essential to choose a suitable pair of sunglasses. Especially for myopic individuals, wearing low-quality sunglasses not only fails to protect the eyes but may cause greater harm, so caution is advised when purchasing.

For myopic people who want to wear sunglasses, the following methods are available:

Contact lenses + sunglasses: This is not applicable to the main scenario mentioned here, so it will not be elaborated on.

Polarized clip-ons: Convenient but unsightly. They are uncomfortable to wear and prone to loosening.

Dyed myopic sunglasses: Lenses dyed in ordinary stores are prone to color fading and scratching and have a short lifespan. Lenses pre-dyed by professional lenses manufacturers have more stable colors but are relatively expensive.

Magnet-on sunglasses: More stable than clip-ons but heavier. Frequent removal and wearing can easily cause scratches on the sunglasses lenses.

Myopic polarized sunglasses: Highly functional.
Sunlight reflecting off water, snow, or roads creates glare, often causing eye discomfort and fatigue. Polarized sunglasses can effectively filter out these irregular reflected lights, making surrounding scenery appear soft and non-glare. Especially for drivers, anglers, and sports enthusiasts, it is recommended to wear myopic polarized sunglasses. Even for those who do not exercise frequently, purchasing them is cost-effective—they are lighter, more stylish, and have a longer lifespan than other methods.

Shortcoming: If the myopia diopters is high, the lenses will be thicker. Within 800 Diopters, it is still feasible. Of course, MR-8 lenses with a refractive index of 1.6 can be used, which are much thinner but slightly more expensive.

Common sense about optical frame fitting:

Diopters:
The diopter of a lens, commonly known as “degree,” is the most important parameter of a lens.
Thickness is basically proportional to diopter, but there are ways to reduce lens thickness.

Refractive index:
The refractive index is the ratio of the speed of light in a vacuum to its speed in the material.
For the same degree, a higher refractive index means thinner, lighter, and more aesthetically pleasing lenses, but the price is also higher. However, a higher refractive index is not always better, which relates to the lens’ Abbe number.

Abbe number:
Different colors of light have different refractive indices in a medium. When refracted by a lens, the propagation directions of light differ, causing sunlight (composed of polychromatic light) to disperse into different colors—a phenomenon called chromatic aberration. Chromatic aberration affects visual clarity.

The Abbe number measures the degree of chromatic aberration. A higher Abbe number means less chromatic aberration, and vice versa.

Generally, a higher refractive index corresponds to a lower Abbe number and more severe chromatic aberration.

Therefore, when choosing lenses, do not blindly pursue a high refractive index—it not only increases costs but also reduces visual clarity. In general, the refractive index should be selected based on the degree:

Below 200 Diopters: Choose 1.50 refractive index myopic lenses.
200–400 Diopters: Choose 1.50 or 1.56 refractive index myopic lenses.
400–600 Diopters: Choose 1.60 refractive index myopic lenses.
600–800 Diopters: Choose 1.67 refractive index myopic lenses.
Above 800 Diopters: Choose 1.74 refractive index myopic lenses.

As a professional eyewear supplier, we specialize in acetate eyewear, metal eyewear, and buffalo horn eyewear，offering style, function, and premium craftsmanship.

Our customized services include eyewear raw material customization and development, product design and development, production, quality control, packaging, and delivery.

After long hours of driving, drivers will feel fatigued, which affects their driving condition. Therefore, wearing Sunglasses while driving is not just about looking cool—they play a crucial role in protecting vision and eyesight, especially in strong light. For driving, Sunglasses are essential auxiliary tools. Today, let’s discuss the Sunglasses suitable for drivers: what types are ideal for driving?

Wearing Sunglasses is not just to block dazzling sunlight, nor is it for vanity; it is directly related to driving safety. When driving, we need to focus on the road ahead. Besides the sun, there are reflections from the road, the rear windshield of the vehicle in front, and glass walls of buildings on both sides. Without the protection of Sunglasses, eye fatigue is prone to occur. Additionally, when the eyes switch between bright and dark environments, the inability to adapt instantly can affect driving safety.
Polarized lens Sunglasses— the best choice for driving
Polarized sunglasses can effectively filter out external stray light and glare. If you plan to buy Sunglasses for driving, remember one term: “polarized sunglasses.” If you don’t want to delve into the details, just remember to choose this type, as they are the most suitable for driving.

Polarized Sunglasses are ideal for drivers because they reduce glare, effectively eliminating and filtering scattered light in beams, making the vision clear and natural. Wearing polarized Sunglasses is like having shutters on a room’s window—the external light is adjusted into parallel light entering the room, making the indoor scenery look soft and non-glare. In addition, polarized Sunglasses can also weaken strong light, reduce fatigue, maintain clear vision, and block ultraviolet rays.
Suitable Sunglasses for driving: Color selection matters
Many people mistakenly believe that the darker the color, the better the UV protection. In fact, the UV filtering function of sunglasses depends on the coating, not the color depth. Especially for long-distance drivers, if the sunglasses are too dark, the eyes are more likely to get tired, and it is more dangerous when entering dimly lit areas like tunnels from strong sunlight.

Sunglasses with excessively dark lenses are not suitable for frequent drivers. This is because overly dark lenses can delay the time it takes for the eyes to send images to the brain, extending the driver’s reaction time to situations and increasing the risk of accidents.
Proper storage of Sunglasses
Avoid placing Sunglasses randomly. It is best to wrap them in an eyewear pouch and store them in the car’s glasses case. Prolonged exposure to high temperatures in the car can easily deform the frames and accelerate color fading of the lenses.

Additionally, since polarized Sunglasses are relatively expensive and difficult to distinguish between genuine and fake products, consumers are advised to purchase polarized Sunglasses from professional eyewear stores. To test the lenses, use a special polarized sunglasses test card—genuine polarized lenses will reveal specific patterns or text on the card, while ordinary lenses will not. When wearing polarized Sunglasses, looking at reflective surfaces like metal or glass under the sun will significantly reduce the glare.

As a professional eyewear supplier, we specialize in acetate eyewear, metal eyewear, and buffalo horn eyewear, mainly with OEM and ODM business models.

Our customized service offering eyewear raw material customized and development, eyewear products design and development, production, quality control, packaging and delivery.