What are grey polarized lenses good for? | KOALAEYE OPTICAL

What are grey polarized lenses good for?

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The Cons of Progressive Lenses

In this section, we will show you the cons of progressive lenses. There are some problems with progressive lenses especially when walking up and downstairs. Since the reading correction is at the bottom, the stairs may appear closer than they actually are. But this problem can disappear if you have adapted to them.

In addition, all measurements must be exact when creating a pair of progressive glasses. The optical center of the lenses must be placed exactly in front of your pupils in order to the lenses to work correctly.

Also, some people may find that it is difficult to adapt the progressive lenses, and it may take a few days to adapt them.

These are the progressive glasses’ pros and cons. If you want to a pair of progressive glasses, Koalaeye glasses are recommended. Koalaeye glasses are stylish and come at a cheap price. Besides progressive glasses, Koalaeye Optical also provides other eyeglasses, such as blue light block glasses, polarized glasses, sunglasses, and so on. So, if you need a pair of progressive glasses, try Koalaeye glasses.


Confirm the optometric data

It is necessary to confirm the accuracy of optometric data. If you stay up late or look at the phone or computer for too long before the optometry, leading to visual fatigue, it will increase the degree. But if you can let your eyes have a good rest, and then take optometry, the degree may be restored to the original situation, so you need to know the state of optometry, to check if it really had increased in degrees. The main purpose of progressive lens is to use it for people who have bleached eyes and often take off the lens.



Online stores have fewer customer service staff and low human resources costs.

Generally speaking, to choose the website shopping, you can directly click on the website, and then get professional customer service reception. The data for each customer visit is accurate. The online stores just need to solve the customer's needs, so the customer service staff is relatively small in numbers, and the human resources investment is relatively small. So the price of glasses will be lower for each customer. Brick-and-mortar stores focus on service. Online shops is involved in the whole network competition, and the entity store is service first. The advantage of physical stores is very obvious,because they can provide perfect service. So the physical store manpower cost will increase.


Wide-rimmed Clear sunglasses

Wide-rimmed Clear glasses cover almost the most area of your cheeks, even covering almost half of your cheeks.

Conservatoire Light gray clear frame sunglasses

Conservatoire International De Lunettes, founded in 2013 in Italy, specializes in fashion and retro glasses and sunglasses. Starting from the classic glasses of the past, new research results, photography, film, and retro elements are integrated into the design of glasses. These shapes may have been used by a classic character, or they may have been historical design elements, modernizing them to create a sense of fashion.



Vintage, Large Round Glasses

Round frames will be popular in 2021, but not only that, square and rectangular face shapes will work well. They can be mixed and matched with everything from business clothes to stylish sweaters and hats. If you're looking for a bolder look, oversized round frames are perfect for you. Smaller frames are more elegant, but you can opt for stylish colors.


Alloy glasses frame

Spectacle frames made of the alloy have relatively high hardness, are more resistant to friction, are not easy to fade, have a better texture, and are made of more styles, which are essential for fashionistas.


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Which is better, MR7 lens or MR8 lens?

The refractive index of MR7 is 1.67, and its Abbe number is 32, so it has a good dyeing property. MR8 has a refractive index of 1.60 and an Abbe number of 40 or more. MR8 has stronger toughness, so it is more tensile and is not easy to break when confronted with strong impact. The lenses of MR7 and MR8 are different in the degree of heat resistance, and the heat resistance of MR7 is slightly weaker. MR7 is recommended if you want thinner and lighter lenses, but MR8 is recommended if you want higher light transmittance.

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