Are polarized sunglasses better for your eyes? | KOALAEYE OPTICAL

Are polarized sunglasses better for your eyes?

Optical Stores Provide Customer Experience

Traditional single product marketing has been far from meeting the needs of customers. It is necessary to apply practical artistic aesthetics to the decoration design of physical eyewear stores, product packaging, and marketing planning, to increase customers' experience of the store, increase store goodwill, brand memory, interest in the product, and stimulating customers' consumption. In reality, most eyewear retail stores are making great efforts in product selection, product display, consumer experience, marketing activities, service methods, and other aspects. For example, the introduction of themed display scenes in traditional optical stores, the layout of bricks-and-mortar stores of e-commerce to increase consumer service experience, and so on have achieved good results.


How to protect your contact lenses?

When wearing contact lenses, do not drop any eye drops, and only use a special moistening solution for contact lenses. In daily life, we recommend that dry eyes can be relieved with lubricating fluid, but we do not advocate frequent use of lubricating fluid, so as not to make the eyes become dependent on lubricating fluid. The right way is to do blink training. The ingredients contained in the eye drops will remain in the lenses, which will cause certain damage to the eyes and pollute the lenses. Some eye drops can make the lenses tinted after use, which will affect the transmittance and a refractive number of the lenses and make the vision blurred. Ladies who need to make up should wear contact lenses before making up. When removing makeup, remove contact lenses before removing makeup, to avoid the makeup sticking to the lens and damaging the lens and eyes. Lenses should not be lent to others to avoid cross-infection of eye diseases. You can't wear contact lenses while swimming or bathing.



What is a titanium alloy?

Titanium alloy refers to any alloy metal made of titanium with other metals.Titanium is an important structural metal developed in the 1950s. Titanium alloy has high strength, good corrosion resistance, and high heat resistance.


Titanium is difficult to process.

Titanium is difficult to machine. Pure titanium is very soft and usually not suitable for use as titanium products, so other elements need to be rejoined. For example, ti-64, which is commonly used in the aviation industry, has to be mixed with many other elements to improve the performance of the metal.



Material selection

General glasses material has plastic and metal two categories. Because the children's glasses degrees change faster, from the economic point of view, choosing plastic material is more affordable. And children love to move, they do not pay much attention to pick up and put on glasses. Choosing metal material is easy to distort, affecting the normal wearing. The material of the lens should be light and thin. The transmittance and refractive index should be high, and it should be wear-resistant and not easy to break.


Bifocal vs Varifocal Glasses: What Are Their Differences?

The above part has introduced some basic information about bifocal glasses and varifocal glasses. So, what are their differences?

  • Bifocal glasses have two different prescriptions in one lens, while varifocal glasses have three different prescriptions in one lens.
  • There is a distinct line between different prescriptions in bifocal glasses. Varifocal glasses allow getting through other prescriptions smoothly.
  • Varifocals can give you a vision at any distance.
  • Bifocal glasses are more cost-effective than varifocal glasses.

However, they also have some similarities. Both glasses can be used to correct presbyopia vision. So, when you choose glasses, you can decide to choose bifocal glasses or varifocal glasses based on your needs. If you want to get a pair of corrective glasses online, Koalaeye Optical is recommended. It is an online glasses store and provides all kinds of eyeglasses, sunglasses and frames. In addition, these glasses are stylish and come at a cheap price.


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Large round-frame glasses

Big round-frame glasses have large lenses, very dark frames. When you put it on, it makes you look good. Scientific design, let wear natural and comfortable, and you won't have a heavy feeling, with no pressure. When you wear a round frame, there is a kind of retro feeling. Round-frame glasses have an advantage, that is, they can modify the face line, looking small and shapely.

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