what are non prescription glasses called?
Thu, Apr 07, 22 By : Koalaeye
ZenniOptical ZenniOptical is a leading online retailer of prescription eyewear in the United States, headquartered in Novato, California, to bring you the best designer eyewear at a lower price. Its products use high-quality raw materials and use good production technology, with high quality, which has been loved by many consumers.ZenniOptical does not have middlemen or a large advertising budget, so the sales cost of products is greatly reduced and consumers get greater benefits. BLUPOND night driving glasses TAC Semi-polarized Blue...

ZenniOptical

ZenniOptical is a leading online retailer of prescription eyewear in the United States, headquartered in Novato, California, to bring you the best designer eyewear at a lower price. Its products use high-quality raw materials and use good production technology, with high quality, which has been loved by many consumers.ZenniOptical does not have middlemen or a large advertising budget, so the sales cost of products is greatly reduced and consumers get greater benefits.


BLUPOND night driving glasses

TAC Semi-polarized Blue light goggles are designed to change your perspective to yellow with computer blue light polarization. Anti-glare high-definition vision blue-blocking glasses protect eyes from blue light and reduce the contrast of bright blue/white glare and flash. The anti-glare night glasses limit distortion. In addition to polarized driving glasses, you can receive a night vision glasses accessory set, with the EVA glasses hard case, screwdriver, sunglasses bag, microfiber cleaning cloth, glasses clip, and night driving glasses gift box.



How to buy glasses that have quality assurance online?

First of all, you need to find a good eyewear online store and determine if there is any discount information. Big glasses usually have preferential information, and there are certain preferential activities. Lenses are very important to us, so the best quality is good. The price can be considered as the average level because low-level lenses are best not to prevent damage to our eyes. The frame is not that important, and it is only used to support the lens. Choose a pair of good-quality glasses for this combination. Optometry is closely related to the quality of the glasses. If it's not accurate, your glasses must be substandard. If your optometry data is good, you will get a real pair of glasses. You need to make sure your optometric data is accurate, which is a process you must go through when wearing glasses online.


Where to Buy Anti-Glare Glasses?

From the above, you have learned some benefits of anti-reflective glasses. So, you may wonder where I can buy anti-glare glasses. So, to buy the anti-reflective glasses, Koalaeye Optical may be a good choice. Koalaeye Optical is an online optical store, providing all kinds of eyeglasses, sunglasses, and frames. You can choose the best suitable glasses for yourself. Besides, Koalaeye Optical offers a free shipping service so that you can get the glasses at home with great convenience.



Production technology of progressive lenses

In addition to the evolution in design, the production technology of progressive lenses is also constantly improving: the most representative one is the free-form technology. The emergence of free-form surface technology makes the production more flexible and rapid and can realize a more personalized design. For now, progressive lens design is done on the inside surface of the lens by a computer-controlled lathe, as if a master engraver could carve a piece of stone into a work of art.


Loho Driving Glasses

Loho pioneered a new M2C model in the glasses industry. Depending on flexible supply chain management, it predicts that the market trend will break the industry monopoly, directly connects with the sales terminal from the factory, removes the intermediate cost, and occupies the absolute cost-performance advantage. Loho adopts omni-channel data operation to carry out the new retail operations. It uses a comprehensive new retail operation channel digital operation. Loho cooperates with world-renowned designers to keep up with the fashion trend, giving glasses a more cost-effective brand experience, so that everyone can enjoy equal fashion.



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.

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