What is the difference between butterfly and cat-eye sunglasses? | KOALAEYE OPTICAL

What is the difference between butterfly and cat-eye sunglasses?

Can I Use Lens Wipes On Transition Lenses? Leiendo What is the difference between butterfly and cat-eye sunglasses? 5 minutos Siguiente What eyeglass frames are popular now?

Do Blue Light Glasses Work?

When wearing blue light glasses, you may ask whether the blue light glasses really work. In fact, many users have the same troubles. To answer this question, some researchers have made research and have found that blue light glasses make it possible to remain fully engaged in our technologically advanced world, without taking on the negative effects of blue light.

With the blue light blocking glasses, you can focus on the task at hand without negative effects. Besides, with the blue light blocking glasses, you can even sleep well and reduce eye strain. You can also test your blue light glasses are real.


How to protect rimless glasses?

With the continuous improvement of people's living standards, many people begin to pay attention to their quality of life. In the past, many people thought that wearing glasses was for correcting eyesight glasses, but now more and more people use them for decoration, and rimless glasses meet the needs of consumers. Because of its light structure, giving people a sense of fashion, so it is loved by many business people. So how do you protect your rimless glasses?



How to buy prescription glasses online

Consumers should choose different styles of frames according to their age and professional characteristics. Because everyone has different face shapes, different interpupillary distances, and different diopters, the size of the frames should vary from person to person.

Lenses are divided into glass lens, resin lens, and PC lens, and you can choose according to your preferences. The glass lens has a stable refractive index, good abrasion resistance, and stable optical performance, but it is relatively heavy and easy to break. Resin lens with high light transmittance is light, safe, and not easy to break, but the surface is easy to wear. PC lens has a high refractive index, but the surface is easy to wear.


Oval face with glasses of various shapes

The oval face is the most perfect face shape. Whether it is size, shape, or contour, it is a more perfect face shape There are many types to choose from, and there are basically no minefields. But be sure to pay attention to the size of the glasses. Sometimes the size of the glasses is also very important. if you are not careful, it will highlight the incompatibility of your facial features. So make sure your glasses are not too big or too small. You should judge the size according to their face shape.



The keyhole bridge is different from an ordinary bridge.

The common bridge is designed to span the tip of the nose like a saddle. The two sides are evenly distributed along a wider area for a more even distribution of the weight of the frame and lens. A common bridge is the most effective way to shorten and reduce the shape of the nose. Especially when the upper margin of the frame is aligned with the eyebrow line or just below the eyebrow line, the overall structure of the face is more balanced. Both kinds of bridge designs have been widely used. Lighter colors, like clear crystal or pale yellow, will reduce the effect of keyhole bridges on the nose.

The keyhole design touches two sharp points of the nose bridge eliminating pressure from the top of the nose. This style makes a bold fashion statement suitable for both men and women. Athletic designs with comfortable details make this collection the first choice for everyday wear. If you’re ready for a new look, peruse our catalog of incredible selections with fashionable, lightweight and comfortable keyhole glasses.


How do I know what size glasses frame I need?

With unified factory product size, why others can wear without problems, but there is a problem when I wear the glasses? There are differences between the contours of each person's face, including factors such as the width of the head, the distance between the ears and the corners of the eyes as the crow flies, the thickness of the bridge of the nose, and so on, which involves ergonomics. But there is one thing we can agree on. When people with the same ear distance wear the same type of glasses, they have different feelings, even if the arm length of the glasses is the same. People with fatter faces will feel uncomfortable. The face will be uncomfortable because the ear distance is the same, but the face width is not the same, resulting in an increased oblique distance of the temple, resulting in a sense of pressure.

It is very simple to solve this problem. You need to look at a variety of parameters in the frame of the glasses, including the total width of the frame, the length of the arm. These parameters will be reflected in a qualified spectacle frame.


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Cheap frames can cause skin irritation.

Some cheap frames may look like more expensive frames. But more often than not, they are made of low-level materials that can cause skin irritation over time. Cheap plastic frames can be bleached by ultraviolet light, leaving the surface rough after months of wear and tear. Cheap metal frames often contain nickel alloy, which can cause skin irritation.

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