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Has anyone purchased eyeglasses online? What was your experience? Were you satisfied?

By :Koalaeye 0 comments
Has anyone purchased eyeglasses online? What was your experience? Were you satisfied?

In the previous article, we discussed “Why does every pilot I see wear Ray-ban aviator sunglasses?”. In this article, let’s talk about “Has anyone purchased eyeglasses online? What was your experience? Were you satisfied?”.

How to choose sunglasses online?

Refractive index of the lens

Depending on the material of the lens, the lens with a high refractive index of the same material of the same degree will have thinner edges than the lens with a low refractive index under the condition that the center thickness and the size of the piece are the same. For the same brand and series, the price of the lens can be inferred by the refractive index. Basically, the higher the refractive index (except 1.56), the higher the price will be.

Radiation protection

The so-called radiation protection effect is only the scope covered by the lens, and the electromagnetic wave does not propagate completely in a straight line. The harm of electromagnetic waves to the human body can only be meaningful under the precise quantitative analysis. Moreover, all lenses made by legitimate lens manufacturers have a radiation protection effect, there is no need to increase the cost for this.

UV protection

The optical lenses of the regular lens manufacturers have UV protection function (greater than or equal to UV380). Because the UV protection index is one of the optical indicators, there is no need to increase the cost for this. And the proportion of UV protection function in the structure of cost of the lens is very low.

Blue-ray protection

For people who use computers or electronic display equipment for a long time, the role of anti-blue light lenses can be confirmed at present. But it can only alleviate visual fatigue caused by the blue light of electronic display, and the effect varies from person to person.

What should I pay attention to when buying sunglasses online?

You should think about the product lens, tag, color, and UV index. Each formally qualified product has passed the quality inspection certificate, so in the purchase, you should let the merchant show the relevant certificate. The tag on sunglasses is the 'identity card' of the product, indicating the producing area of glasses. It still hides a lot of useful information at the same time, for instance, if the glasses of your choice are sunglasses or the light lens. Whether it is a resin lens or other material. They should not be ignored. To protect against UV rays, it's best to buy sunglasses that have shades of light gray, light green, and blue-gray, because these relatively muted colors won't change color when looking at nature. For sunglasses, the UV index is an important step of how well UV rays are filtered. Most sunglasses recently have a UV index between 96 and 98 percent, and dark lenses are better than light lenses.

Online Shopping Experience at Koala Eye

Personal choice of sunglasses requires its good brand, blue light, wear-resisting. The offline store had so luxurious decoration, so many service staffs, but they don't have a lot of customers. The purchase and sale price difference are big, due to fewer customers, rent, personnel salary, operating costs, the price is very expensive. I went to Taobao shops, and went to see the biggest Tmall shops. Through Koala Eye's official website mall, I found a wide variety of prices are also proper. After reading reviews and company qualifications, I felt very good after placing the final order. After all, the price is very affordable. I am very pleased with various styles, colors, styles, etc.

Thank you for your time in reading our passage “Has anyone purchased eyeglasses online? What was your experience? Were you satisfied?”. For more information about sunglasses, please continue to follow https://www.koalaeye.com/blogs/our-stories. Also, it is welcome to share and forward to Facebook and Twitter.

Tags : How To
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