What are thick rimmed glasses called? | KOALAEYE OPTICAL

What are thick rimmed glasses called?

How to Choose Glasses for Diamond Face Shape?

After learning the features of diamond face shape, you should know how to choose glasses for diamond face shape. Since there are a lot of pointed features on the face, the best option is to use eyeglasses that have soft rounded curves instead of harshly pointed angles. So, look at the following advice.

Cat eyeglasses: Cat eyeglasses would be a good choice for a diamond face shape. These glasses frames have rounded bottoms so as to hide away the pointed chin and the narrow jawline of the diamond.

Round eyeglasses: Round eyeglasses are also suitable for diamond face shape because the round curve of the glasses hides the sharpness of the pointed chin. Glasses with colored frames are appealing in the case of diamond face shape people.


How to choose blue light blocking glasses?

Nowadays, electronic products such as mobile phones and computers have become indispensable tools in our lives. While these high-tech products bring us convenience and fun, they also bring symptoms such as eye fatigue and myopia. Subsequently, blue light blocking glasses have also received everyone's attention. Anti-blue glasses are only suitable for people who use electronic products for a long time, not for people who are visually fatigued. Exposure to such unnaturally strong blue light for a long time every day, especially for teenagers and children, needs to pay more attention to the prevention of blue light. So, how to choose suitable blue light blocking glasses for kids?

Anti-blue light is necessary, but not all blue light can be filtered out, because blue light will interfere with the body's melatonin secretion after being over-filtered, thereby affecting sleep. Therefore, when choosing blue light blocking glasses, you should choose appropriately according to your own eyes.

For how to choose anti-blue glasses, consumers can distinguish from the color of the lenses. Generally speaking, a lens with a yellow color will have the effect of blocking blue light. But too dark lenses will affect the contrast sensitivity. Therefore, it is recommended that consumers choose moderately. In addition, consumers should also pay attention to whether the glasses products (lenses, frames) have conformity marks, etc. It is best to choose professional and well-known glasses shops to match glasses.



What To Do with Old Glasses?

What to do with old glasses? Where can I donate old glasses? You may have the same troubles. So, in this section, we will show you what you should do with your old glasses.

You can choose to donate your old glasses. Around the world, about 13 million children can’t finish their education for the sole reason that they can’t see well enough to learn. In addition, there are some goodwill organizations that will take your used reading glasses as long as they are in decent shape. So, what to do with old glasses, donate them. Where can I donate old glasses? You can search the old glasses donation organizations online.

If you have a pair of old glasses, you can also choose to sell them online to save some money. You can sell them on some platforms such as eBay or Preloved.


Understand the impact of frame selection on the lens

Frame size is an important consideration when using progressive lenses because some progressive lenses work better in frames of different sizes. Since progressive lenses allow you to see at all distances, it's important that the whole range of vision fits within the frame. Therefore, very short lenses and larger lenses are not suitable for progressive lenses.



Pay attention to the purchase of driving glasses.

A few points need to be kept in mind to avoid the risk of accidents. The frame should not exceed the size, because the researchers say the lens color should be gray or brown, so you can choose the aviator sunglasses, compared to other series. Aviator Sunglasses are always classic. There are plenty of cool experimental design glasses to choose from every year on the market. The selection of polarizing mirrors can filter the scattered light in the beam, remove stray light so that the light can be reflected into the eye from the right direction of the optical axis. The field of vision is clear natural. Light is adjusted in the same direction as light and reflects into the room, so the natural scenery looks soft and not dazzling, especially when driving a car or doing outdoor activities. It will affect the judgment of the object and cause danger, what’s more, long-term direct stimulation by the sun will lead to the decline of vision, the formation of myopia, hyperopia, astigmatism, or cataract.


What is the best lens material?

Trivex is a special material from PPG. Compared with PC lenses, the refractive index is lower (only 1.53) but the Abbe number is higher (up to 45), which results in smaller dispersion and better image quality. At the same time, the impact resistance of the Trivex lens is 10 times higher than that of the PC. It is the only explosion-proof safety lens that can withstand external force twists and turns in the market at present.


Prezzo di venditaDa
Prezzo di venditaDa


How to test a blue-light lens?

Blue light-blocking glasses have many membrane layers, and all kinds of colors of the film are not the same. Actually, the membrane layer of anti-radiation effects is not large but has high strength and chemical resistance of lining norm of glasses and the effect of protection for the eyes is very important.

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