Why do I see double sometimes?
Sun, Apr 10, 22 By : Koalaeye
Choose a good merchant. The best option is to return the goods with a quality guarantee.High-quality pure titanium frame production cost is not less than 100 yuan, and online sales will be not less than 50%, so you have to be careful with prices less than 200 yuan. Because pure titanium frame material cost determines its price, the ultra-low price of pure titanium frame is definitely not real. Selectspecs In addition to Ray-Ban, Vogue、Fendi, and other first-line eyewear brands, Selectspecs...

Choose a good merchant.

The best option is to return the goods with a quality guarantee.High-quality pure titanium frame production cost is not less than 100 yuan, and online sales will be not less than 50%, so you have to be careful with prices less than 200 yuan. Because pure titanium frame material cost determines its price, the ultra-low price of pure titanium frame is definitely not real.


Selectspecs

In addition to Ray-Ban, Vogue、Fendi, and other first-line eyewear brands, Selectspecs also owns many affordable and self-owned eyewear brands, among which Infinity is the representative brand of youth and fashion.

But the texture will not lose to a line brand. And the choice is very rich. The classic black-rimmed glasses, or the stylish metal-rimmed glasses, or the tortoise-shell glasses with a retro vibe, are brimming with youthful fashion.

The fashion sense of Infinity is stronger, in line with the aesthetic of young people today. There are many fashion trend items, very suitable for building your personal image. There are many styles of glasses, such as classic black frames and popular gold frames.



Evolution of hard coating technology

The first generation of the use of hard coating technology began in the early 1970s, the quartz material is deposited on the surface of a resin lens under vacuum conditions, form a very hard anti-wear film. However, due to the mismatch between the thermal expansion coefficient and the film base material, it is easy to delaminate and crack the film. Instead, it forms the mottle on the surface of the lens, and the effect is not optimal.

The second generation of hard coating technology is the use of the 1980s. The surface of the resin sheet is coated with a material with high hardness and not easy to be brittle and cracked by an immersion process. At this time, anti-reflection coating lenses had appeared and gained the recognition of consumers, but the mismatch between adding hard coating and anti-reflection coating still caused serious lens wear.

The third generation of hard coating technology was developed in the 1990s, mainly in order to solve the problem of wear resistance after coating resin lenses with an anti-reflection film. The hardened material evolved into a polymer organic matrix material.

Fourth-generation coating technology is dominated by silicon atoms, in which the hardened solution contains both organic substrates. It contains inorganic ultrafine particles, including silicon elements, which make the hard coating not only tough but also hard.


Wooden frames: Wooden frames are one of the hottest new trends that pair perfectly with round face shapes. The natural materials used on these frames give this style an elegant feel.

Wayfarer glasses: As for how to choose glasses for round faces, wayfarer glasses are recommended. These frames will bring a touch of old Hollywood to your look. In addition, their distinctive angles add contrast to your features.

So, from the above information, you can know that round faces glasses come in all sorts of shapes and colors. In addition, you can also try Koalaeye glasses, which are stylish and come in at a cheap price.



Optometry glasses are not professional

Some people will not only experience dizziness when they change their glasses but also have headaches, nausea, vomiting, inattention, neurasthenia, and other symptoms from time to time. And some people even deepen myopia. This is most likely due to unqualified glasses and inaccurate optometry. In short, this eye discomfort is caused by the inconsistency between the power of the glasses and the actual condition of the eyes. Optometry before filling a prescription is a very important step. In addition to checking myopia and astigmatism, it is also necessary to check for eye disease, binocular vision balance, monocular ability, primary vision discrimination, interpupillary distance, etc. In this way, suitable glasses can be fitted according to the overall situation of the person's eyes. The spectacles must also match the parameters of vertex, interpupillary distance, cylindrical lens axis position, etc. Otherwise, it will directly affect the effect of correcting vision, cause the user's visual fatigue, and increase the emphasis on power loss.


Where to Buy Bifocal Glasses?

However, if you want to get a pair of bifocal glasses, you can purchase them from Koalaeye Optical. Koalaeye Optical is an online optical store and provides all kinds of glasses, sunglasses and frames, such as blue light blocking glasses, wrap around glasses, progressive glasses, polarized sunglasses, and so on. So, if you need a pair of bifocal glasses, try Koalaeye glasses.



Features of Diamond Face Shape

Before proceeding with the glasses for diamond face shape, you need to know how to figure out your face shape and the features of the diamond face shape. This section will list some features of diamond face shape.

One of the most common features of diamond face shape is the presence of angles and pointed features and the widest part of the face is the cheek. And the forehead and the chin appear to give height to the face.

The forehead of the diamond face shape is not broad or wide. The size of the forehead is smaller than the cheeks indicating the upper part of the curve of the diamond. The shape of the cheeks is angular and the angles of the face are the widest feature on the face with the cheekbones placed a little higher. The jawline of the diamond face shape is narrower and is smooth with no angles or pointed features. And the lower part of the face is quite pointed or lacks angular features.

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